Home / 10,387.44-15,572.25-7,090.74

Finding the Fourth Proportional to 10,387.44, 15,572.25 and 7,090.74

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Solution

The fourth proportional to 10,387.44, 15,572.25 and 7,090.74 is: 10,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.44 : 15,572.25 = 7,090.74 : x
  2. Step 2: Convert to fraction form
    10,387.44/15,572.25 = 7,090.74/x
  3. Step 3: Cross multiply
    10,387.44x = 15,572.25 × 7,090.74
  4. Step 4: Simplify right side
    10,387.44x = 110,418,775.97
  5. Step 5: Solve for x
    x = 110,418,775.97/10,387.44
  6. Step 6: Final answer
    x = 10,630.03

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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.