Home / 11,248.45-16,870.61-5,003.20

Finding the Fourth Proportional to 11,248.45, 16,870.61 and 5,003.20

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Solution

The fourth proportional to 11,248.45, 16,870.61 and 5,003.20 is: 7,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.45 : 16,870.61 = 5,003.20 : x
  2. Step 2: Convert to fraction form
    11,248.45/16,870.61 = 5,003.20/x
  3. Step 3: Cross multiply
    11,248.45x = 16,870.61 × 5,003.20
  4. Step 4: Simplify right side
    11,248.45x = 84,407,035.95
  5. Step 5: Solve for x
    x = 84,407,035.95/11,248.45
  6. Step 6: Final answer
    x = 7,503.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.