Home / 13,331.70-18,397.26-8,027.10

Finding the Fourth Proportional to 13,331.70, 18,397.26 and 8,027.10

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Solution

The fourth proportional to 13,331.70, 18,397.26 and 8,027.10 is: 11,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.70 : 18,397.26 = 8,027.10 : x
  2. Step 2: Convert to fraction form
    13,331.70/18,397.26 = 8,027.10/x
  3. Step 3: Cross multiply
    13,331.70x = 18,397.26 × 8,027.10
  4. Step 4: Simplify right side
    13,331.70x = 147,676,645.75
  5. Step 5: Solve for x
    x = 147,676,645.75/13,331.70
  6. Step 6: Final answer
    x = 11,077.11

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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.