Home / 11,319.12-16,970.46-7,612.14

Finding the Fourth Proportional to 11,319.12, 16,970.46 and 7,612.14

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Solution

The fourth proportional to 11,319.12, 16,970.46 and 7,612.14 is: 11,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.12 : 16,970.46 = 7,612.14 : x
  2. Step 2: Convert to fraction form
    11,319.12/16,970.46 = 7,612.14/x
  3. Step 3: Cross multiply
    11,319.12x = 16,970.46 × 7,612.14
  4. Step 4: Simplify right side
    11,319.12x = 129,181,517.38
  5. Step 5: Solve for x
    x = 129,181,517.38/11,319.12
  6. Step 6: Final answer
    x = 11,412.68

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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.