Home / 10,150.90-14,010.50-6,171.17

Finding the Fourth Proportional to 10,150.90, 14,010.50 and 6,171.17

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Solution

The fourth proportional to 10,150.90, 14,010.50 and 6,171.17 is: 8,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.90 : 14,010.50 = 6,171.17 : x
  2. Step 2: Convert to fraction form
    10,150.90/14,010.50 = 6,171.17/x
  3. Step 3: Cross multiply
    10,150.90x = 14,010.50 × 6,171.17
  4. Step 4: Simplify right side
    10,150.90x = 86,461,177.29
  5. Step 5: Solve for x
    x = 86,461,177.29/10,150.90
  6. Step 6: Final answer
    x = 8,517.59

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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.