Home / 20,153.02-30,229.60-7,005.50

Finding the Fourth Proportional to 20,153.02, 30,229.60 and 7,005.50

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Solution

The fourth proportional to 20,153.02, 30,229.60 and 7,005.50 is: 10,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.02 : 30,229.60 = 7,005.50 : x
  2. Step 2: Convert to fraction form
    20,153.02/30,229.60 = 7,005.50/x
  3. Step 3: Cross multiply
    20,153.02x = 30,229.60 × 7,005.50
  4. Step 4: Simplify right side
    20,153.02x = 211,773,462.80
  5. Step 5: Solve for x
    x = 211,773,462.80/20,153.02
  6. Step 6: Final answer
    x = 10,508.27

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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.