Home / 13,095.30-18,077.97-10,257.78

Finding the Fourth Proportional to 13,095.30, 18,077.97 and 10,257.78

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Solution

The fourth proportional to 13,095.30, 18,077.97 and 10,257.78 is: 14,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.30 : 18,077.97 = 10,257.78 : x
  2. Step 2: Convert to fraction form
    13,095.30/18,077.97 = 10,257.78/x
  3. Step 3: Cross multiply
    13,095.30x = 18,077.97 × 10,257.78
  4. Step 4: Simplify right side
    13,095.30x = 185,439,839.11
  5. Step 5: Solve for x
    x = 185,439,839.11/13,095.30
  6. Step 6: Final answer
    x = 14,160.79

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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.