Home / 18,710.86-25,820.30-10,327.18

Finding the Fourth Proportional to 18,710.86, 25,820.30 and 10,327.18

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Solution

The fourth proportional to 18,710.86, 25,820.30 and 10,327.18 is: 14,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.86 : 25,820.30 = 10,327.18 : x
  2. Step 2: Convert to fraction form
    18,710.86/25,820.30 = 10,327.18/x
  3. Step 3: Cross multiply
    18,710.86x = 25,820.30 × 10,327.18
  4. Step 4: Simplify right side
    18,710.86x = 266,650,885.75
  5. Step 5: Solve for x
    x = 266,650,885.75/18,710.86
  6. Step 6: Final answer
    x = 14,251.13

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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.