Home / 15,282.30-21,062.76-13,152.54

Finding the Fourth Proportional to 15,282.30, 21,062.76 and 13,152.54

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Solution

The fourth proportional to 15,282.30, 21,062.76 and 13,152.54 is: 18,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.30 : 21,062.76 = 13,152.54 : x
  2. Step 2: Convert to fraction form
    15,282.30/21,062.76 = 13,152.54/x
  3. Step 3: Cross multiply
    15,282.30x = 21,062.76 × 13,152.54
  4. Step 4: Simplify right side
    15,282.30x = 277,028,793.41
  5. Step 5: Solve for x
    x = 277,028,793.41/15,282.30
  6. Step 6: Final answer
    x = 18,127.43

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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.