Home / 11,559.13-17,328.29-4,158.40

Finding the Fourth Proportional to 11,559.13, 17,328.29 and 4,158.40

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Solution

The fourth proportional to 11,559.13, 17,328.29 and 4,158.40 is: 6,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.13 : 17,328.29 = 4,158.40 : x
  2. Step 2: Convert to fraction form
    11,559.13/17,328.29 = 4,158.40/x
  3. Step 3: Cross multiply
    11,559.13x = 17,328.29 × 4,158.40
  4. Step 4: Simplify right side
    11,559.13x = 72,057,874.49
  5. Step 5: Solve for x
    x = 72,057,874.49/11,559.13
  6. Step 6: Final answer
    x = 6,233.85

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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.