Home / 14,320.80-21,489.03-5,556.06

Finding the Fourth Proportional to 14,320.80, 21,489.03 and 5,556.06

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Solution

The fourth proportional to 14,320.80, 21,489.03 and 5,556.06 is: 8,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.80 : 21,489.03 = 5,556.06 : x
  2. Step 2: Convert to fraction form
    14,320.80/21,489.03 = 5,556.06/x
  3. Step 3: Cross multiply
    14,320.80x = 21,489.03 × 5,556.06
  4. Step 4: Simplify right side
    14,320.80x = 119,394,340.02
  5. Step 5: Solve for x
    x = 119,394,340.02/14,320.80
  6. Step 6: Final answer
    x = 8,337.13

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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.