Home / 14,892.08-20,551.31-8,177.99

Finding the Fourth Proportional to 14,892.08, 20,551.31 and 8,177.99

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Solution

The fourth proportional to 14,892.08, 20,551.31 and 8,177.99 is: 11,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.08 : 20,551.31 = 8,177.99 : x
  2. Step 2: Convert to fraction form
    14,892.08/20,551.31 = 8,177.99/x
  3. Step 3: Cross multiply
    14,892.08x = 20,551.31 × 8,177.99
  4. Step 4: Simplify right side
    14,892.08x = 168,068,264.02
  5. Step 5: Solve for x
    x = 168,068,264.02/14,892.08
  6. Step 6: Final answer
    x = 11,285.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.