Home / 23,387.04-35,081.64-12,990.96

Finding the Fourth Proportional to 23,387.04, 35,081.64 and 12,990.96

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Solution

The fourth proportional to 23,387.04, 35,081.64 and 12,990.96 is: 19,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.04 : 35,081.64 = 12,990.96 : x
  2. Step 2: Convert to fraction form
    23,387.04/35,081.64 = 12,990.96/x
  3. Step 3: Cross multiply
    23,387.04x = 35,081.64 × 12,990.96
  4. Step 4: Simplify right side
    23,387.04x = 455,744,181.97
  5. Step 5: Solve for x
    x = 455,744,181.97/23,387.04
  6. Step 6: Final answer
    x = 19,487.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.