Home / 10,424.70-14,385.60-5,708.88

Finding the Fourth Proportional to 10,424.70, 14,385.60 and 5,708.88

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Solution

The fourth proportional to 10,424.70, 14,385.60 and 5,708.88 is: 7,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.70 : 14,385.60 = 5,708.88 : x
  2. Step 2: Convert to fraction form
    10,424.70/14,385.60 = 5,708.88/x
  3. Step 3: Cross multiply
    10,424.70x = 14,385.60 × 5,708.88
  4. Step 4: Simplify right side
    10,424.70x = 82,125,664.13
  5. Step 5: Solve for x
    x = 82,125,664.13/10,424.70
  6. Step 6: Final answer
    x = 7,877.99

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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.