Home / 10,454.30-15,681.25-4,214.17

Finding the Fourth Proportional to 10,454.30, 15,681.25 and 4,214.17

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Solution

The fourth proportional to 10,454.30, 15,681.25 and 4,214.17 is: 6,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.30 : 15,681.25 = 4,214.17 : x
  2. Step 2: Convert to fraction form
    10,454.30/15,681.25 = 4,214.17/x
  3. Step 3: Cross multiply
    10,454.30x = 15,681.25 × 4,214.17
  4. Step 4: Simplify right side
    10,454.30x = 66,083,403.57
  5. Step 5: Solve for x
    x = 66,083,403.57/10,454.30
  6. Step 6: Final answer
    x = 6,321.17

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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.