Home / 10,869.52-15,000.77-6,154.51

Finding the Fourth Proportional to 10,869.52, 15,000.77 and 6,154.51

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Solution

The fourth proportional to 10,869.52, 15,000.77 and 6,154.51 is: 8,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.52 : 15,000.77 = 6,154.51 : x
  2. Step 2: Convert to fraction form
    10,869.52/15,000.77 = 6,154.51/x
  3. Step 3: Cross multiply
    10,869.52x = 15,000.77 × 6,154.51
  4. Step 4: Simplify right side
    10,869.52x = 92,322,388.97
  5. Step 5: Solve for x
    x = 92,322,388.97/10,869.52
  6. Step 6: Final answer
    x = 8,493.70

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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.