Home / 10,355.52-15,530.40-4,514.88

Finding the Fourth Proportional to 10,355.52, 15,530.40 and 4,514.88

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Solution

The fourth proportional to 10,355.52, 15,530.40 and 4,514.88 is: 6,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.52 : 15,530.40 = 4,514.88 : x
  2. Step 2: Convert to fraction form
    10,355.52/15,530.40 = 4,514.88/x
  3. Step 3: Cross multiply
    10,355.52x = 15,530.40 × 4,514.88
  4. Step 4: Simplify right side
    10,355.52x = 70,117,892.35
  5. Step 5: Solve for x
    x = 70,117,892.35/10,355.52
  6. Step 6: Final answer
    x = 6,771.06

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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.