Home / 16,655.14-22,979.64-9,937.72

Finding the Fourth Proportional to 16,655.14, 22,979.64 and 9,937.72

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Solution

The fourth proportional to 16,655.14, 22,979.64 and 9,937.72 is: 13,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.14 : 22,979.64 = 9,937.72 : x
  2. Step 2: Convert to fraction form
    16,655.14/22,979.64 = 9,937.72/x
  3. Step 3: Cross multiply
    16,655.14x = 22,979.64 × 9,937.72
  4. Step 4: Simplify right side
    16,655.14x = 228,365,228.02
  5. Step 5: Solve for x
    x = 228,365,228.02/16,655.14
  6. Step 6: Final answer
    x = 13,711.40

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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.