Home / 10,379.08-15,565.58-4,753.57

Finding the Fourth Proportional to 10,379.08, 15,565.58 and 4,753.57

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Solution

The fourth proportional to 10,379.08, 15,565.58 and 4,753.57 is: 7,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.08 : 15,565.58 = 4,753.57 : x
  2. Step 2: Convert to fraction form
    10,379.08/15,565.58 = 4,753.57/x
  3. Step 3: Cross multiply
    10,379.08x = 15,565.58 × 4,753.57
  4. Step 4: Simplify right side
    10,379.08x = 73,992,011.44
  5. Step 5: Solve for x
    x = 73,992,011.44/10,379.08
  6. Step 6: Final answer
    x = 7,128.96

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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.