Home / 11,337.04-15,623.88-8,187.92

Finding the Fourth Proportional to 11,337.04, 15,623.88 and 8,187.92

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Solution

The fourth proportional to 11,337.04, 15,623.88 and 8,187.92 is: 11,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.04 : 15,623.88 = 8,187.92 : x
  2. Step 2: Convert to fraction form
    11,337.04/15,623.88 = 8,187.92/x
  3. Step 3: Cross multiply
    11,337.04x = 15,623.88 × 8,187.92
  4. Step 4: Simplify right side
    11,337.04x = 127,927,079.53
  5. Step 5: Solve for x
    x = 127,927,079.53/11,337.04
  6. Step 6: Final answer
    x = 11,283.99

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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.