Home / 10,331.03-14,256.82-6,139.28

Finding the Fourth Proportional to 10,331.03, 14,256.82 and 6,139.28

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Solution

The fourth proportional to 10,331.03, 14,256.82 and 6,139.28 is: 8,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.03 : 14,256.82 = 6,139.28 : x
  2. Step 2: Convert to fraction form
    10,331.03/14,256.82 = 6,139.28/x
  3. Step 3: Cross multiply
    10,331.03x = 14,256.82 × 6,139.28
  4. Step 4: Simplify right side
    10,331.03x = 87,526,609.89
  5. Step 5: Solve for x
    x = 87,526,609.89/10,331.03
  6. Step 6: Final answer
    x = 8,472.21

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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.