Home / 10,147.93-14,008.45-6,170.31

Finding the Fourth Proportional to 10,147.93, 14,008.45 and 6,170.31

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Solution

The fourth proportional to 10,147.93, 14,008.45 and 6,170.31 is: 8,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.93 : 14,008.45 = 6,170.31 : x
  2. Step 2: Convert to fraction form
    10,147.93/14,008.45 = 6,170.31/x
  3. Step 3: Cross multiply
    10,147.93x = 14,008.45 × 6,170.31
  4. Step 4: Simplify right side
    10,147.93x = 86,436,479.12
  5. Step 5: Solve for x
    x = 86,436,479.12/10,147.93
  6. Step 6: Final answer
    x = 8,517.65

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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.