Home / 15,456.71-23,186.88-11,585.72

Finding the Fourth Proportional to 15,456.71, 23,186.88 and 11,585.72

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Solution

The fourth proportional to 15,456.71, 23,186.88 and 11,585.72 is: 17,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.71 : 23,186.88 = 11,585.72 : x
  2. Step 2: Convert to fraction form
    15,456.71/23,186.88 = 11,585.72/x
  3. Step 3: Cross multiply
    15,456.71x = 23,186.88 × 11,585.72
  4. Step 4: Simplify right side
    15,456.71x = 268,636,583.42
  5. Step 5: Solve for x
    x = 268,636,583.42/15,456.71
  6. Step 6: Final answer
    x = 17,379.94

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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.