Home / 11,543.12-15,929.60-6,762

Finding the Fourth Proportional to 11,543.12, 15,929.60 and 6,762

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Solution

The fourth proportional to 11,543.12, 15,929.60 and 6,762 is: 9,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.12 : 15,929.60 = 6,762 : x
  2. Step 2: Convert to fraction form
    11,543.12/15,929.60 = 6,762/x
  3. Step 3: Cross multiply
    11,543.12x = 15,929.60 × 6,762
  4. Step 4: Simplify right side
    11,543.12x = 107,715,955.20
  5. Step 5: Solve for x
    x = 107,715,955.20/11,543.12
  6. Step 6: Final answer
    x = 9,331.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.