Home / 19,446.30-26,780.22-18,513.18

Finding the Fourth Proportional to 19,446.30, 26,780.22 and 18,513.18

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Solution

The fourth proportional to 19,446.30, 26,780.22 and 18,513.18 is: 25,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.30 : 26,780.22 = 18,513.18 : x
  2. Step 2: Convert to fraction form
    19,446.30/26,780.22 = 18,513.18/x
  3. Step 3: Cross multiply
    19,446.30x = 26,780.22 × 18,513.18
  4. Step 4: Simplify right side
    19,446.30x = 495,787,033.30
  5. Step 5: Solve for x
    x = 495,787,033.30/19,446.30
  6. Step 6: Final answer
    x = 25,495.19

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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.