Home / 13,331.10-18,377.91-10,341.66

Finding the Fourth Proportional to 13,331.10, 18,377.91 and 10,341.66

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Solution

The fourth proportional to 13,331.10, 18,377.91 and 10,341.66 is: 14,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.10 : 18,377.91 = 10,341.66 : x
  2. Step 2: Convert to fraction form
    13,331.10/18,377.91 = 10,341.66/x
  3. Step 3: Cross multiply
    13,331.10x = 18,377.91 × 10,341.66
  4. Step 4: Simplify right side
    13,331.10x = 190,058,096.73
  5. Step 5: Solve for x
    x = 190,058,096.73/13,331.10
  6. Step 6: Final answer
    x = 14,256.75

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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.