Home / 15,374.17-21,207.52-9,706.91

Finding the Fourth Proportional to 15,374.17, 21,207.52 and 9,706.91

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Solution

The fourth proportional to 15,374.17, 21,207.52 and 9,706.91 is: 13,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.17 : 21,207.52 = 9,706.91 : x
  2. Step 2: Convert to fraction form
    15,374.17/21,207.52 = 9,706.91/x
  3. Step 3: Cross multiply
    15,374.17x = 21,207.52 × 9,706.91
  4. Step 4: Simplify right side
    15,374.17x = 205,859,394.06
  5. Step 5: Solve for x
    x = 205,859,394.06/15,374.17
  6. Step 6: Final answer
    x = 13,389.95

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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.