Home / 10,184.72-15,278.45-4,342.70

Finding the Fourth Proportional to 10,184.72, 15,278.45 and 4,342.70

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Solution

The fourth proportional to 10,184.72, 15,278.45 and 4,342.70 is: 6,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.72 : 15,278.45 = 4,342.70 : x
  2. Step 2: Convert to fraction form
    10,184.72/15,278.45 = 4,342.70/x
  3. Step 3: Cross multiply
    10,184.72x = 15,278.45 × 4,342.70
  4. Step 4: Simplify right side
    10,184.72x = 66,349,626.71
  5. Step 5: Solve for x
    x = 66,349,626.71/10,184.72
  6. Step 6: Final answer
    x = 6,514.63

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