Home / 10,839.18-16,241.76-6,454.25

Finding the Fourth Proportional to 10,839.18, 16,241.76 and 6,454.25

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Solution

The fourth proportional to 10,839.18, 16,241.76 and 6,454.25 is: 9,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.18 : 16,241.76 = 6,454.25 : x
  2. Step 2: Convert to fraction form
    10,839.18/16,241.76 = 6,454.25/x
  3. Step 3: Cross multiply
    10,839.18x = 16,241.76 × 6,454.25
  4. Step 4: Simplify right side
    10,839.18x = 104,828,298.27
  5. Step 5: Solve for x
    x = 104,828,298.27/10,839.18
  6. Step 6: Final answer
    x = 9,671.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.