Home / 20,446.02-30,671.46-7,299.72

Finding the Fourth Proportional to 20,446.02, 30,671.46 and 7,299.72

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Solution

The fourth proportional to 20,446.02, 30,671.46 and 7,299.72 is: 10,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.02 : 30,671.46 = 7,299.72 : x
  2. Step 2: Convert to fraction form
    20,446.02/30,671.46 = 7,299.72/x
  3. Step 3: Cross multiply
    20,446.02x = 30,671.46 × 7,299.72
  4. Step 4: Simplify right side
    20,446.02x = 223,893,069.99
  5. Step 5: Solve for x
    x = 223,893,069.99/20,446.02
  6. Step 6: Final answer
    x = 10,950.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.