Home / 10,869.68-15,000.08-6,153.92

Finding the Fourth Proportional to 10,869.68, 15,000.08 and 6,153.92

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Solution

The fourth proportional to 10,869.68, 15,000.08 and 6,153.92 is: 8,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.68 : 15,000.08 = 6,153.92 : x
  2. Step 2: Convert to fraction form
    10,869.68/15,000.08 = 6,153.92/x
  3. Step 3: Cross multiply
    10,869.68x = 15,000.08 × 6,153.92
  4. Step 4: Simplify right side
    10,869.68x = 92,309,292.31
  5. Step 5: Solve for x
    x = 92,309,292.31/10,869.68
  6. Step 6: Final answer
    x = 8,492.37

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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.