Home / 10,387.63-15,493.91-10,076.41

Finding the Fourth Proportional to 10,387.63, 15,493.91 and 10,076.41

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Solution

The fourth proportional to 10,387.63, 15,493.91 and 10,076.41 is: 15,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.63 : 15,493.91 = 10,076.41 : x
  2. Step 2: Convert to fraction form
    10,387.63/15,493.91 = 10,076.41/x
  3. Step 3: Cross multiply
    10,387.63x = 15,493.91 × 10,076.41
  4. Step 4: Simplify right side
    10,387.63x = 156,122,989.66
  5. Step 5: Solve for x
    x = 156,122,989.66/10,387.63
  6. Step 6: Final answer
    x = 15,029.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.