Home / 14,836.79-20,478.11-9,177.02

Finding the Fourth Proportional to 14,836.79, 20,478.11 and 9,177.02

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Solution

The fourth proportional to 14,836.79, 20,478.11 and 9,177.02 is: 12,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.79 : 20,478.11 = 9,177.02 : x
  2. Step 2: Convert to fraction form
    14,836.79/20,478.11 = 9,177.02/x
  3. Step 3: Cross multiply
    14,836.79x = 20,478.11 × 9,177.02
  4. Step 4: Simplify right side
    14,836.79x = 187,927,876.76
  5. Step 5: Solve for x
    x = 187,927,876.76/14,836.79
  6. Step 6: Final answer
    x = 12,666.35

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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.