Home / 10,031.90-15,037.20-7,257.24

Finding the Fourth Proportional to 10,031.90, 15,037.20 and 7,257.24

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Solution

The fourth proportional to 10,031.90, 15,037.20 and 7,257.24 is: 10,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.90 : 15,037.20 = 7,257.24 : x
  2. Step 2: Convert to fraction form
    10,031.90/15,037.20 = 7,257.24/x
  3. Step 3: Cross multiply
    10,031.90x = 15,037.20 × 7,257.24
  4. Step 4: Simplify right side
    10,031.90x = 109,128,569.33
  5. Step 5: Solve for x
    x = 109,128,569.33/10,031.90
  6. Step 6: Final answer
    x = 10,878.16

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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.