Home / 18,211.94-25,132.43-10,256.72

Finding the Fourth Proportional to 18,211.94, 25,132.43 and 10,256.72

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Solution

The fourth proportional to 18,211.94, 25,132.43 and 10,256.72 is: 14,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.94 : 25,132.43 = 10,256.72 : x
  2. Step 2: Convert to fraction form
    18,211.94/25,132.43 = 10,256.72/x
  3. Step 3: Cross multiply
    18,211.94x = 25,132.43 × 10,256.72
  4. Step 4: Simplify right side
    18,211.94x = 257,776,120.48
  5. Step 5: Solve for x
    x = 257,776,120.48/18,211.94
  6. Step 6: Final answer
    x = 14,154.24

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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.