Home / 10,257.15-14,154.87-5,541.43

Finding the Fourth Proportional to 10,257.15, 14,154.87 and 5,541.43

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Solution

The fourth proportional to 10,257.15, 14,154.87 and 5,541.43 is: 7,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.15 : 14,154.87 = 5,541.43 : x
  2. Step 2: Convert to fraction form
    10,257.15/14,154.87 = 5,541.43/x
  3. Step 3: Cross multiply
    10,257.15x = 14,154.87 × 5,541.43
  4. Step 4: Simplify right side
    10,257.15x = 78,438,273.43
  5. Step 5: Solve for x
    x = 78,438,273.43/10,257.15
  6. Step 6: Final answer
    x = 7,647.18

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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.