Home / 18,787.24-28,193.16-7,100.46

Finding the Fourth Proportional to 18,787.24, 28,193.16 and 7,100.46

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Solution

The fourth proportional to 18,787.24, 28,193.16 and 7,100.46 is: 10,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.24 : 28,193.16 = 7,100.46 : x
  2. Step 2: Convert to fraction form
    18,787.24/28,193.16 = 7,100.46/x
  3. Step 3: Cross multiply
    18,787.24x = 28,193.16 × 7,100.46
  4. Step 4: Simplify right side
    18,787.24x = 200,184,404.85
  5. Step 5: Solve for x
    x = 200,184,404.85/18,787.24
  6. Step 6: Final answer
    x = 10,655.34

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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.