Home / 10,125.36-15,144.84-7,494.48

Finding the Fourth Proportional to 10,125.36, 15,144.84 and 7,494.48

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Solution

The fourth proportional to 10,125.36, 15,144.84 and 7,494.48 is: 11,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.36 : 15,144.84 = 7,494.48 : x
  2. Step 2: Convert to fraction form
    10,125.36/15,144.84 = 7,494.48/x
  3. Step 3: Cross multiply
    10,125.36x = 15,144.84 × 7,494.48
  4. Step 4: Simplify right side
    10,125.36x = 113,502,700.48
  5. Step 5: Solve for x
    x = 113,502,700.48/10,125.36
  6. Step 6: Final answer
    x = 11,209.74

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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.