Home / 18,212.34-25,132.66-10,254.40

Finding the Fourth Proportional to 18,212.34, 25,132.66 and 10,254.40

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Solution

The fourth proportional to 18,212.34, 25,132.66 and 10,254.40 is: 14,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.34 : 25,132.66 = 10,254.40 : x
  2. Step 2: Convert to fraction form
    18,212.34/25,132.66 = 10,254.40/x
  3. Step 3: Cross multiply
    18,212.34x = 25,132.66 × 10,254.40
  4. Step 4: Simplify right side
    18,212.34x = 257,720,348.70
  5. Step 5: Solve for x
    x = 257,720,348.70/18,212.34
  6. Step 6: Final answer
    x = 14,150.86

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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.