Home / 11,101.92-15,306.48-9,088.80

Finding the Fourth Proportional to 11,101.92, 15,306.48 and 9,088.80

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Solution

The fourth proportional to 11,101.92, 15,306.48 and 9,088.80 is: 12,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.92 : 15,306.48 = 9,088.80 : x
  2. Step 2: Convert to fraction form
    11,101.92/15,306.48 = 9,088.80/x
  3. Step 3: Cross multiply
    11,101.92x = 15,306.48 × 9,088.80
  4. Step 4: Simplify right side
    11,101.92x = 139,117,535.42
  5. Step 5: Solve for x
    x = 139,117,535.42/11,101.92
  6. Step 6: Final answer
    x = 12,530.94

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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.