Home / 18,254.43-25,191.10-9,870.93

Finding the Fourth Proportional to 18,254.43, 25,191.10 and 9,870.93

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Solution

The fourth proportional to 18,254.43, 25,191.10 and 9,870.93 is: 13,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.43 : 25,191.10 = 9,870.93 : x
  2. Step 2: Convert to fraction form
    18,254.43/25,191.10 = 9,870.93/x
  3. Step 3: Cross multiply
    18,254.43x = 25,191.10 × 9,870.93
  4. Step 4: Simplify right side
    18,254.43x = 248,659,584.72
  5. Step 5: Solve for x
    x = 248,659,584.72/18,254.43
  6. Step 6: Final answer
    x = 13,621.88

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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.