Home / 15,125.04-20,869.52-8,836.20

Finding the Fourth Proportional to 15,125.04, 20,869.52 and 8,836.20

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Solution

The fourth proportional to 15,125.04, 20,869.52 and 8,836.20 is: 12,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.04 : 20,869.52 = 8,836.20 : x
  2. Step 2: Convert to fraction form
    15,125.04/20,869.52 = 8,836.20/x
  3. Step 3: Cross multiply
    15,125.04x = 20,869.52 × 8,836.20
  4. Step 4: Simplify right side
    15,125.04x = 184,407,252.62
  5. Step 5: Solve for x
    x = 184,407,252.62/15,125.04
  6. Step 6: Final answer
    x = 12,192.18

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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.