Home / 10,248.57-14,143.11-5,771.43

Finding the Fourth Proportional to 10,248.57, 14,143.11 and 5,771.43

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Solution

The fourth proportional to 10,248.57, 14,143.11 and 5,771.43 is: 7,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.57 : 14,143.11 = 5,771.43 : x
  2. Step 2: Convert to fraction form
    10,248.57/14,143.11 = 5,771.43/x
  3. Step 3: Cross multiply
    10,248.57x = 14,143.11 × 5,771.43
  4. Step 4: Simplify right side
    10,248.57x = 81,625,969.35
  5. Step 5: Solve for x
    x = 81,625,969.35/10,248.57
  6. Step 6: Final answer
    x = 7,964.62

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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.