Home / 11,109.52-15,330.64-6,073.92

Finding the Fourth Proportional to 11,109.52, 15,330.64 and 6,073.92

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Solution

The fourth proportional to 11,109.52, 15,330.64 and 6,073.92 is: 8,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.52 : 15,330.64 = 6,073.92 : x
  2. Step 2: Convert to fraction form
    11,109.52/15,330.64 = 6,073.92/x
  3. Step 3: Cross multiply
    11,109.52x = 15,330.64 × 6,073.92
  4. Step 4: Simplify right side
    11,109.52x = 93,117,080.91
  5. Step 5: Solve for x
    x = 93,117,080.91/11,109.52
  6. Step 6: Final answer
    x = 8,381.74

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1.5x scale

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.