Home / 13,758.01-20,625.36-5,443.90

Finding the Fourth Proportional to 13,758.01, 20,625.36 and 5,443.90

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Solution

The fourth proportional to 13,758.01, 20,625.36 and 5,443.90 is: 8,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.01 : 20,625.36 = 5,443.90 : x
  2. Step 2: Convert to fraction form
    13,758.01/20,625.36 = 5,443.90/x
  3. Step 3: Cross multiply
    13,758.01x = 20,625.36 × 5,443.90
  4. Step 4: Simplify right side
    13,758.01x = 112,282,307.79
  5. Step 5: Solve for x
    x = 112,282,307.79/13,758.01
  6. Step 6: Final answer
    x = 8,161.23

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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.