Home / 15,084.42-20,817.04-11,300.90

Finding the Fourth Proportional to 15,084.42, 20,817.04 and 11,300.90

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Solution

The fourth proportional to 15,084.42, 20,817.04 and 11,300.90 is: 15,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084.42 : 20,817.04 = 11,300.90 : x
  2. Step 2: Convert to fraction form
    15,084.42/20,817.04 = 11,300.90/x
  3. Step 3: Cross multiply
    15,084.42x = 20,817.04 × 11,300.90
  4. Step 4: Simplify right side
    15,084.42x = 235,251,287.34
  5. Step 5: Solve for x
    x = 235,251,287.34/15,084.42
  6. Step 6: Final answer
    x = 15,595.65

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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.