Home / 10,565.63-15,845.87-3,543.82

Finding the Fourth Proportional to 10,565.63, 15,845.87 and 3,543.82

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Solution

The fourth proportional to 10,565.63, 15,845.87 and 3,543.82 is: 5,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.63 : 15,845.87 = 3,543.82 : x
  2. Step 2: Convert to fraction form
    10,565.63/15,845.87 = 3,543.82/x
  3. Step 3: Cross multiply
    10,565.63x = 15,845.87 × 3,543.82
  4. Step 4: Simplify right side
    10,565.63x = 56,154,874.92
  5. Step 5: Solve for x
    x = 56,154,874.92/10,565.63
  6. Step 6: Final answer
    x = 5,314.87

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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.