Home / 15,424.29-21,283.94-8,962.92

Finding the Fourth Proportional to 15,424.29, 21,283.94 and 8,962.92

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Solution

The fourth proportional to 15,424.29, 21,283.94 and 8,962.92 is: 12,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.29 : 21,283.94 = 8,962.92 : x
  2. Step 2: Convert to fraction form
    15,424.29/21,283.94 = 8,962.92/x
  3. Step 3: Cross multiply
    15,424.29x = 21,283.94 × 8,962.92
  4. Step 4: Simplify right side
    15,424.29x = 190,766,251.50
  5. Step 5: Solve for x
    x = 190,766,251.50/15,424.29
  6. Step 6: Final answer
    x = 12,367.91

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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.