Home / 16,715.61-23,070.97-9,641.07

Finding the Fourth Proportional to 16,715.61, 23,070.97 and 9,641.07

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Solution

The fourth proportional to 16,715.61, 23,070.97 and 9,641.07 is: 13,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.61 : 23,070.97 = 9,641.07 : x
  2. Step 2: Convert to fraction form
    16,715.61/23,070.97 = 9,641.07/x
  3. Step 3: Cross multiply
    16,715.61x = 23,070.97 × 9,641.07
  4. Step 4: Simplify right side
    16,715.61x = 222,428,848.79
  5. Step 5: Solve for x
    x = 222,428,848.79/16,715.61
  6. Step 6: Final answer
    x = 13,306.65

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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.