Home / 17,818.40-26,722.44-5,337.92

Finding the Fourth Proportional to 17,818.40, 26,722.44 and 5,337.92

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Solution

The fourth proportional to 17,818.40, 26,722.44 and 5,337.92 is: 8,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.40 : 26,722.44 = 5,337.92 : x
  2. Step 2: Convert to fraction form
    17,818.40/26,722.44 = 5,337.92/x
  3. Step 3: Cross multiply
    17,818.40x = 26,722.44 × 5,337.92
  4. Step 4: Simplify right side
    17,818.40x = 142,642,246.92
  5. Step 5: Solve for x
    x = 142,642,246.92/17,818.40
  6. Step 6: Final answer
    x = 8,005.33

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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.