Home / 12,744.11-17,586.99-7,437.89

Finding the Fourth Proportional to 12,744.11, 17,586.99 and 7,437.89

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Solution

The fourth proportional to 12,744.11, 17,586.99 and 7,437.89 is: 10,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.11 : 17,586.99 = 7,437.89 : x
  2. Step 2: Convert to fraction form
    12,744.11/17,586.99 = 7,437.89/x
  3. Step 3: Cross multiply
    12,744.11x = 17,586.99 × 7,437.89
  4. Step 4: Simplify right side
    12,744.11x = 130,810,097.05
  5. Step 5: Solve for x
    x = 130,810,097.05/12,744.11
  6. Step 6: Final answer
    x = 10,264.36

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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.