Home / 18,455.27-27,691.02-9,688.16

Finding the Fourth Proportional to 18,455.27, 27,691.02 and 9,688.16

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Solution

The fourth proportional to 18,455.27, 27,691.02 and 9,688.16 is: 14,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.27 : 27,691.02 = 9,688.16 : x
  2. Step 2: Convert to fraction form
    18,455.27/27,691.02 = 9,688.16/x
  3. Step 3: Cross multiply
    18,455.27x = 27,691.02 × 9,688.16
  4. Step 4: Simplify right side
    18,455.27x = 268,274,893.87
  5. Step 5: Solve for x
    x = 268,274,893.87/18,455.27
  6. Step 6: Final answer
    x = 14,536.50

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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.