Home / 15,818.80-23,728.20-10,001.20

Finding the Fourth Proportional to 15,818.80, 23,728.20 and 10,001.20

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Solution

The fourth proportional to 15,818.80, 23,728.20 and 10,001.20 is: 15,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.80 : 23,728.20 = 10,001.20 : x
  2. Step 2: Convert to fraction form
    15,818.80/23,728.20 = 10,001.20/x
  3. Step 3: Cross multiply
    15,818.80x = 23,728.20 × 10,001.20
  4. Step 4: Simplify right side
    15,818.80x = 237,310,473.84
  5. Step 5: Solve for x
    x = 237,310,473.84/15,818.80
  6. Step 6: Final answer
    x = 15,001.80

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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.