Home / 10,647.74-14,693.20-6,171.14

Finding the Fourth Proportional to 10,647.74, 14,693.20 and 6,171.14

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Solution

The fourth proportional to 10,647.74, 14,693.20 and 6,171.14 is: 8,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.74 : 14,693.20 = 6,171.14 : x
  2. Step 2: Convert to fraction form
    10,647.74/14,693.20 = 6,171.14/x
  3. Step 3: Cross multiply
    10,647.74x = 14,693.20 × 6,171.14
  4. Step 4: Simplify right side
    10,647.74x = 90,673,815.55
  5. Step 5: Solve for x
    x = 90,673,815.55/10,647.74
  6. Step 6: Final answer
    x = 8,515.78

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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.