Home / 15,392.67-21,253.26-9,432.48

Finding the Fourth Proportional to 15,392.67, 21,253.26 and 9,432.48

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Solution

The fourth proportional to 15,392.67, 21,253.26 and 9,432.48 is: 13,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392.67 : 21,253.26 = 9,432.48 : x
  2. Step 2: Convert to fraction form
    15,392.67/21,253.26 = 9,432.48/x
  3. Step 3: Cross multiply
    15,392.67x = 21,253.26 × 9,432.48
  4. Step 4: Simplify right side
    15,392.67x = 200,470,949.88
  5. Step 5: Solve for x
    x = 200,470,949.88/15,392.67
  6. Step 6: Final answer
    x = 13,023.79

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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.