Home / 10,443.60-14,407.20-6,251.04

Finding the Fourth Proportional to 10,443.60, 14,407.20 and 6,251.04

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Solution

The fourth proportional to 10,443.60, 14,407.20 and 6,251.04 is: 8,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.60 : 14,407.20 = 6,251.04 : x
  2. Step 2: Convert to fraction form
    10,443.60/14,407.20 = 6,251.04/x
  3. Step 3: Cross multiply
    10,443.60x = 14,407.20 × 6,251.04
  4. Step 4: Simplify right side
    10,443.60x = 90,059,983.49
  5. Step 5: Solve for x
    x = 90,059,983.49/10,443.60
  6. Step 6: Final answer
    x = 8,623.46

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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.