Home / 17,421.92-26,132.88-4,274.18

Finding the Fourth Proportional to 17,421.92, 26,132.88 and 4,274.18

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Solution

The fourth proportional to 17,421.92, 26,132.88 and 4,274.18 is: 6,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.92 : 26,132.88 = 4,274.18 : x
  2. Step 2: Convert to fraction form
    17,421.92/26,132.88 = 4,274.18/x
  3. Step 3: Cross multiply
    17,421.92x = 26,132.88 × 4,274.18
  4. Step 4: Simplify right side
    17,421.92x = 111,696,633.04
  5. Step 5: Solve for x
    x = 111,696,633.04/17,421.92
  6. Step 6: Final answer
    x = 6,411.27

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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.