Home / 15,612.71-23,422.51-7,288.18

Finding the Fourth Proportional to 15,612.71, 23,422.51 and 7,288.18

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Solution

The fourth proportional to 15,612.71, 23,422.51 and 7,288.18 is: 10,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.71 : 23,422.51 = 7,288.18 : x
  2. Step 2: Convert to fraction form
    15,612.71/23,422.51 = 7,288.18/x
  3. Step 3: Cross multiply
    15,612.71x = 23,422.51 × 7,288.18
  4. Step 4: Simplify right side
    15,612.71x = 170,707,392.16
  5. Step 5: Solve for x
    x = 170,707,392.16/15,612.71
  6. Step 6: Final answer
    x = 10,933.88

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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.