Home / 11,323.76-16,909.39-9,247.88

Finding the Fourth Proportional to 11,323.76, 16,909.39 and 9,247.88

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Solution

The fourth proportional to 11,323.76, 16,909.39 and 9,247.88 is: 13,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.76 : 16,909.39 = 9,247.88 : x
  2. Step 2: Convert to fraction form
    11,323.76/16,909.39 = 9,247.88/x
  3. Step 3: Cross multiply
    11,323.76x = 16,909.39 × 9,247.88
  4. Step 4: Simplify right side
    11,323.76x = 156,376,009.59
  5. Step 5: Solve for x
    x = 156,376,009.59/11,323.76
  6. Step 6: Final answer
    x = 13,809.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.