Home / 10,213.74-15,331.34-9,051.19

Finding the Fourth Proportional to 10,213.74, 15,331.34 and 9,051.19

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Solution

The fourth proportional to 10,213.74, 15,331.34 and 9,051.19 is: 13,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.74 : 15,331.34 = 9,051.19 : x
  2. Step 2: Convert to fraction form
    10,213.74/15,331.34 = 9,051.19/x
  3. Step 3: Cross multiply
    10,213.74x = 15,331.34 × 9,051.19
  4. Step 4: Simplify right side
    10,213.74x = 138,766,855.59
  5. Step 5: Solve for x
    x = 138,766,855.59/10,213.74
  6. Step 6: Final answer
    x = 13,586.29

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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.