Home / 19,052.22-26,301.18-12,689.40

Finding the Fourth Proportional to 19,052.22, 26,301.18 and 12,689.40

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Solution

The fourth proportional to 19,052.22, 26,301.18 and 12,689.40 is: 17,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.22 : 26,301.18 = 12,689.40 : x
  2. Step 2: Convert to fraction form
    19,052.22/26,301.18 = 12,689.40/x
  3. Step 3: Cross multiply
    19,052.22x = 26,301.18 × 12,689.40
  4. Step 4: Simplify right side
    19,052.22x = 333,746,193.49
  5. Step 5: Solve for x
    x = 333,746,193.49/19,052.22
  6. Step 6: Final answer
    x = 17,517.44

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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.