Home / 12,740.74-19,118.56-5,344.62

Finding the Fourth Proportional to 12,740.74, 19,118.56 and 5,344.62

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Solution

The fourth proportional to 12,740.74, 19,118.56 and 5,344.62 is: 8,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.74 : 19,118.56 = 5,344.62 : x
  2. Step 2: Convert to fraction form
    12,740.74/19,118.56 = 5,344.62/x
  3. Step 3: Cross multiply
    12,740.74x = 19,118.56 × 5,344.62
  4. Step 4: Simplify right side
    12,740.74x = 102,181,438.15
  5. Step 5: Solve for x
    x = 102,181,438.15/12,740.74
  6. Step 6: Final answer
    x = 8,020.06

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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.