Home / 19,219.80-28,830.15-6,754.17

Finding the Fourth Proportional to 19,219.80, 28,830.15 and 6,754.17

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Solution

The fourth proportional to 19,219.80, 28,830.15 and 6,754.17 is: 10,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.80 : 28,830.15 = 6,754.17 : x
  2. Step 2: Convert to fraction form
    19,219.80/28,830.15 = 6,754.17/x
  3. Step 3: Cross multiply
    19,219.80x = 28,830.15 × 6,754.17
  4. Step 4: Simplify right side
    19,219.80x = 194,723,734.23
  5. Step 5: Solve for x
    x = 194,723,734.23/19,219.80
  6. Step 6: Final answer
    x = 10,131.41

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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.