Home / 10,484.26-15,714.46-5,478.91

Finding the Fourth Proportional to 10,484.26, 15,714.46 and 5,478.91

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Solution

The fourth proportional to 10,484.26, 15,714.46 and 5,478.91 is: 8,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.26 : 15,714.46 = 5,478.91 : x
  2. Step 2: Convert to fraction form
    10,484.26/15,714.46 = 5,478.91/x
  3. Step 3: Cross multiply
    10,484.26x = 15,714.46 × 5,478.91
  4. Step 4: Simplify right side
    10,484.26x = 86,098,165.02
  5. Step 5: Solve for x
    x = 86,098,165.02/10,484.26
  6. Step 6: Final answer
    x = 8,212.14

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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.