Home / 15,456.20-23,126.70-10,272.20

Finding the Fourth Proportional to 15,456.20, 23,126.70 and 10,272.20

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Solution

The fourth proportional to 15,456.20, 23,126.70 and 10,272.20 is: 15,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.20 : 23,126.70 = 10,272.20 : x
  2. Step 2: Convert to fraction form
    15,456.20/23,126.70 = 10,272.20/x
  3. Step 3: Cross multiply
    15,456.20x = 23,126.70 × 10,272.20
  4. Step 4: Simplify right side
    15,456.20x = 237,562,087.74
  5. Step 5: Solve for x
    x = 237,562,087.74/15,456.20
  6. Step 6: Final answer
    x = 15,370.02

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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.