Home / 17,645.68-26,464.47-10,531.92

Finding the Fourth Proportional to 17,645.68, 26,464.47 and 10,531.92

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Solution

The fourth proportional to 17,645.68, 26,464.47 and 10,531.92 is: 15,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.68 : 26,464.47 = 10,531.92 : x
  2. Step 2: Convert to fraction form
    17,645.68/26,464.47 = 10,531.92/x
  3. Step 3: Cross multiply
    17,645.68x = 26,464.47 × 10,531.92
  4. Step 4: Simplify right side
    17,645.68x = 278,721,680.88
  5. Step 5: Solve for x
    x = 278,721,680.88/17,645.68
  6. Step 6: Final answer
    x = 15,795.47

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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.