Home / 13,617.90-18,793.56-10,254.78

Finding the Fourth Proportional to 13,617.90, 18,793.56 and 10,254.78

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Solution

The fourth proportional to 13,617.90, 18,793.56 and 10,254.78 is: 14,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.90 : 18,793.56 = 10,254.78 : x
  2. Step 2: Convert to fraction form
    13,617.90/18,793.56 = 10,254.78/x
  3. Step 3: Cross multiply
    13,617.90x = 18,793.56 × 10,254.78
  4. Step 4: Simplify right side
    13,617.90x = 192,723,823.22
  5. Step 5: Solve for x
    x = 192,723,823.22/13,617.90
  6. Step 6: Final answer
    x = 14,152.24

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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.