Home / 36,301.28-54,417.36-11,660

Finding the Fourth Proportional to 36,301.28, 54,417.36 and 11,660

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Solution

The fourth proportional to 36,301.28, 54,417.36 and 11,660 is: 17,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,301.28 : 54,417.36 = 11,660 : x
  2. Step 2: Convert to fraction form
    36,301.28/54,417.36 = 11,660/x
  3. Step 3: Cross multiply
    36,301.28x = 54,417.36 × 11,660
  4. Step 4: Simplify right side
    36,301.28x = 634,506,417.60
  5. Step 5: Solve for x
    x = 634,506,417.60/36,301.28
  6. Step 6: Final answer
    x = 17,478.90

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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.