Home / 15,467.50-21,344.13-8,753.81

Finding the Fourth Proportional to 15,467.50, 21,344.13 and 8,753.81

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Solution

The fourth proportional to 15,467.50, 21,344.13 and 8,753.81 is: 12,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.50 : 21,344.13 = 8,753.81 : x
  2. Step 2: Convert to fraction form
    15,467.50/21,344.13 = 8,753.81/x
  3. Step 3: Cross multiply
    15,467.50x = 21,344.13 × 8,753.81
  4. Step 4: Simplify right side
    15,467.50x = 186,842,512.00
  5. Step 5: Solve for x
    x = 186,842,512.00/15,467.50
  6. Step 6: Final answer
    x = 12,079.69

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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.