Home / 20,199.02-30,298.56-9,666.56

Finding the Fourth Proportional to 20,199.02, 30,298.56 and 9,666.56

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Solution

The fourth proportional to 20,199.02, 30,298.56 and 9,666.56 is: 14,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.02 : 30,298.56 = 9,666.56 : x
  2. Step 2: Convert to fraction form
    20,199.02/30,298.56 = 9,666.56/x
  3. Step 3: Cross multiply
    20,199.02x = 30,298.56 × 9,666.56
  4. Step 4: Simplify right side
    20,199.02x = 292,882,848.15
  5. Step 5: Solve for x
    x = 292,882,848.15/20,199.02
  6. Step 6: Final answer
    x = 14,499.85

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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.