Home / 10,258.14-15,387.21-5,872.55

Finding the Fourth Proportional to 10,258.14, 15,387.21 and 5,872.55

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Solution

The fourth proportional to 10,258.14, 15,387.21 and 5,872.55 is: 8,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.14 : 15,387.21 = 5,872.55 : x
  2. Step 2: Convert to fraction form
    10,258.14/15,387.21 = 5,872.55/x
  3. Step 3: Cross multiply
    10,258.14x = 15,387.21 × 5,872.55
  4. Step 4: Simplify right side
    10,258.14x = 90,362,083.15
  5. Step 5: Solve for x
    x = 90,362,083.15/10,258.14
  6. Step 6: Final answer
    x = 8,808.82

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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.