Home / 10,538.29-15,819.65-6,158.89

Finding the Fourth Proportional to 10,538.29, 15,819.65 and 6,158.89

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Solution

The fourth proportional to 10,538.29, 15,819.65 and 6,158.89 is: 9,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.29 : 15,819.65 = 6,158.89 : x
  2. Step 2: Convert to fraction form
    10,538.29/15,819.65 = 6,158.89/x
  3. Step 3: Cross multiply
    10,538.29x = 15,819.65 × 6,158.89
  4. Step 4: Simplify right side
    10,538.29x = 97,431,484.19
  5. Step 5: Solve for x
    x = 97,431,484.19/10,538.29
  6. Step 6: Final answer
    x = 9,245.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.