Home / 10,400.28-15,600.29-6,726.12

Finding the Fourth Proportional to 10,400.28, 15,600.29 and 6,726.12

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Solution

The fourth proportional to 10,400.28, 15,600.29 and 6,726.12 is: 10,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.28 : 15,600.29 = 6,726.12 : x
  2. Step 2: Convert to fraction form
    10,400.28/15,600.29 = 6,726.12/x
  3. Step 3: Cross multiply
    10,400.28x = 15,600.29 × 6,726.12
  4. Step 4: Simplify right side
    10,400.28x = 104,929,388.94
  5. Step 5: Solve for x
    x = 104,929,388.94/10,400.28
  6. Step 6: Final answer
    x = 10,089.09

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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.