Home / 14,401.80-21,603.24-5,167.80

Finding the Fourth Proportional to 14,401.80, 21,603.24 and 5,167.80

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Solution

The fourth proportional to 14,401.80, 21,603.24 and 5,167.80 is: 7,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.80 : 21,603.24 = 5,167.80 : x
  2. Step 2: Convert to fraction form
    14,401.80/21,603.24 = 5,167.80/x
  3. Step 3: Cross multiply
    14,401.80x = 21,603.24 × 5,167.80
  4. Step 4: Simplify right side
    14,401.80x = 111,641,223.67
  5. Step 5: Solve for x
    x = 111,641,223.67/14,401.80
  6. Step 6: Final answer
    x = 7,751.89

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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.