Home / 14,758.80-22,138.20-3,665.40

Finding the Fourth Proportional to 14,758.80, 22,138.20 and 3,665.40

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Solution

The fourth proportional to 14,758.80, 22,138.20 and 3,665.40 is: 5,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.80 : 22,138.20 = 3,665.40 : x
  2. Step 2: Convert to fraction form
    14,758.80/22,138.20 = 3,665.40/x
  3. Step 3: Cross multiply
    14,758.80x = 22,138.20 × 3,665.40
  4. Step 4: Simplify right side
    14,758.80x = 81,145,358.28
  5. Step 5: Solve for x
    x = 81,145,358.28/14,758.80
  6. Step 6: Final answer
    x = 5,498.10

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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.