Home / 15,787.32-23,685.66-5,258.70

Finding the Fourth Proportional to 15,787.32, 23,685.66 and 5,258.70

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Solution

The fourth proportional to 15,787.32, 23,685.66 and 5,258.70 is: 7,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.32 : 23,685.66 = 5,258.70 : x
  2. Step 2: Convert to fraction form
    15,787.32/23,685.66 = 5,258.70/x
  3. Step 3: Cross multiply
    15,787.32x = 23,685.66 × 5,258.70
  4. Step 4: Simplify right side
    15,787.32x = 124,555,780.24
  5. Step 5: Solve for x
    x = 124,555,780.24/15,787.32
  6. Step 6: Final answer
    x = 7,889.61

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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.