Home / 15,753.64-23,630.46-12,079.48

Finding the Fourth Proportional to 15,753.64, 23,630.46 and 12,079.48

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Solution

The fourth proportional to 15,753.64, 23,630.46 and 12,079.48 is: 18,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.64 : 23,630.46 = 12,079.48 : x
  2. Step 2: Convert to fraction form
    15,753.64/23,630.46 = 12,079.48/x
  3. Step 3: Cross multiply
    15,753.64x = 23,630.46 × 12,079.48
  4. Step 4: Simplify right side
    15,753.64x = 285,443,668.96
  5. Step 5: Solve for x
    x = 285,443,668.96/15,753.64
  6. Step 6: Final answer
    x = 18,119.22

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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.