Home / 12,344.33-17,000.99-10,665.20

Finding the Fourth Proportional to 12,344.33, 17,000.99 and 10,665.20

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Solution

The fourth proportional to 12,344.33, 17,000.99 and 10,665.20 is: 14,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.33 : 17,000.99 = 10,665.20 : x
  2. Step 2: Convert to fraction form
    12,344.33/17,000.99 = 10,665.20/x
  3. Step 3: Cross multiply
    12,344.33x = 17,000.99 × 10,665.20
  4. Step 4: Simplify right side
    12,344.33x = 181,318,987.72
  5. Step 5: Solve for x
    x = 181,318,987.72/12,344.33
  6. Step 6: Final answer
    x = 14,688.44

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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.