Home / 10,312.43-15,468.68-4,388.47

Finding the Fourth Proportional to 10,312.43, 15,468.68 and 4,388.47

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Solution

The fourth proportional to 10,312.43, 15,468.68 and 4,388.47 is: 6,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.43 : 15,468.68 = 4,388.47 : x
  2. Step 2: Convert to fraction form
    10,312.43/15,468.68 = 4,388.47/x
  3. Step 3: Cross multiply
    10,312.43x = 15,468.68 × 4,388.47
  4. Step 4: Simplify right side
    10,312.43x = 67,883,810.42
  5. Step 5: Solve for x
    x = 67,883,810.42/10,312.43
  6. Step 6: Final answer
    x = 6,582.72

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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.