Home / 17,639.68-24,342.60-9,681.88

Finding the Fourth Proportional to 17,639.68, 24,342.60 and 9,681.88

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Solution

The fourth proportional to 17,639.68, 24,342.60 and 9,681.88 is: 13,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.68 : 24,342.60 = 9,681.88 : x
  2. Step 2: Convert to fraction form
    17,639.68/24,342.60 = 9,681.88/x
  3. Step 3: Cross multiply
    17,639.68x = 24,342.60 × 9,681.88
  4. Step 4: Simplify right side
    17,639.68x = 235,682,132.09
  5. Step 5: Solve for x
    x = 235,682,132.09/17,639.68
  6. Step 6: Final answer
    x = 13,360.91

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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.