Home / 18,641.56-25,726.20-11,570.28

Finding the Fourth Proportional to 18,641.56, 25,726.20 and 11,570.28

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Solution

The fourth proportional to 18,641.56, 25,726.20 and 11,570.28 is: 15,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.56 : 25,726.20 = 11,570.28 : x
  2. Step 2: Convert to fraction form
    18,641.56/25,726.20 = 11,570.28/x
  3. Step 3: Cross multiply
    18,641.56x = 25,726.20 × 11,570.28
  4. Step 4: Simplify right side
    18,641.56x = 297,659,337.34
  5. Step 5: Solve for x
    x = 297,659,337.34/18,641.56
  6. Step 6: Final answer
    x = 15,967.51

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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.