Home / 17,890.68-26,853.66-13,432.86

Finding the Fourth Proportional to 17,890.68, 26,853.66 and 13,432.86

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Solution

The fourth proportional to 17,890.68, 26,853.66 and 13,432.86 is: 20,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.68 : 26,853.66 = 13,432.86 : x
  2. Step 2: Convert to fraction form
    17,890.68/26,853.66 = 13,432.86/x
  3. Step 3: Cross multiply
    17,890.68x = 26,853.66 × 13,432.86
  4. Step 4: Simplify right side
    17,890.68x = 360,721,455.27
  5. Step 5: Solve for x
    x = 360,721,455.27/17,890.68
  6. Step 6: Final answer
    x = 20,162.53

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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.