Home / 18,344.34-25,314.66-10,387.31

Finding the Fourth Proportional to 18,344.34, 25,314.66 and 10,387.31

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Solution

The fourth proportional to 18,344.34, 25,314.66 and 10,387.31 is: 14,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.34 : 25,314.66 = 10,387.31 : x
  2. Step 2: Convert to fraction form
    18,344.34/25,314.66 = 10,387.31/x
  3. Step 3: Cross multiply
    18,344.34x = 25,314.66 × 10,387.31
  4. Step 4: Simplify right side
    18,344.34x = 262,951,094.39
  5. Step 5: Solve for x
    x = 262,951,094.39/18,344.34
  6. Step 6: Final answer
    x = 14,334.18

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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.