Home / 22,378.87-33,566.52-13,012.90

Finding the Fourth Proportional to 22,378.87, 33,566.52 and 13,012.90

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Solution

The fourth proportional to 22,378.87, 33,566.52 and 13,012.90 is: 19,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.87 : 33,566.52 = 13,012.90 : x
  2. Step 2: Convert to fraction form
    22,378.87/33,566.52 = 13,012.90/x
  3. Step 3: Cross multiply
    22,378.87x = 33,566.52 × 13,012.90
  4. Step 4: Simplify right side
    22,378.87x = 436,797,600.28
  5. Step 5: Solve for x
    x = 436,797,600.28/22,378.87
  6. Step 6: Final answer
    x = 19,518.31

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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.