Home / 11,340.61-15,645.89-6,862.73

Finding the Fourth Proportional to 11,340.61, 15,645.89 and 6,862.73

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Solution

The fourth proportional to 11,340.61, 15,645.89 and 6,862.73 is: 9,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.61 : 15,645.89 = 6,862.73 : x
  2. Step 2: Convert to fraction form
    11,340.61/15,645.89 = 6,862.73/x
  3. Step 3: Cross multiply
    11,340.61x = 15,645.89 × 6,862.73
  4. Step 4: Simplify right side
    11,340.61x = 107,373,457.61
  5. Step 5: Solve for x
    x = 107,373,457.61/11,340.61
  6. Step 6: Final answer
    x = 9,468.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.