Home / 19,348.20-29,022.27-12,772.82

Finding the Fourth Proportional to 19,348.20, 29,022.27 and 12,772.82

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Solution

The fourth proportional to 19,348.20, 29,022.27 and 12,772.82 is: 19,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.20 : 29,022.27 = 12,772.82 : x
  2. Step 2: Convert to fraction form
    19,348.20/29,022.27 = 12,772.82/x
  3. Step 3: Cross multiply
    19,348.20x = 29,022.27 × 12,772.82
  4. Step 4: Simplify right side
    19,348.20x = 370,696,085.59
  5. Step 5: Solve for x
    x = 370,696,085.59/19,348.20
  6. Step 6: Final answer
    x = 19,159.20

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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.