Home / 12,756.62-17,598.45-7,449.09

Finding the Fourth Proportional to 12,756.62, 17,598.45 and 7,449.09

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Solution

The fourth proportional to 12,756.62, 17,598.45 and 7,449.09 is: 10,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.62 : 17,598.45 = 7,449.09 : x
  2. Step 2: Convert to fraction form
    12,756.62/17,598.45 = 7,449.09/x
  3. Step 3: Cross multiply
    12,756.62x = 17,598.45 × 7,449.09
  4. Step 4: Simplify right side
    12,756.62x = 131,092,437.91
  5. Step 5: Solve for x
    x = 131,092,437.91/12,756.62
  6. Step 6: Final answer
    x = 10,276.42

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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.