Home / 10,157.77-14,026.38-6,387.24

Finding the Fourth Proportional to 10,157.77, 14,026.38 and 6,387.24

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Solution

The fourth proportional to 10,157.77, 14,026.38 and 6,387.24 is: 8,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.77 : 14,026.38 = 6,387.24 : x
  2. Step 2: Convert to fraction form
    10,157.77/14,026.38 = 6,387.24/x
  3. Step 3: Cross multiply
    10,157.77x = 14,026.38 × 6,387.24
  4. Step 4: Simplify right side
    10,157.77x = 89,589,884.04
  5. Step 5: Solve for x
    x = 89,589,884.04/10,157.77
  6. Step 6: Final answer
    x = 8,819.84

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Double scale
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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.