Home / 10,902.84-15,050.51-7,370.83

Finding the Fourth Proportional to 10,902.84, 15,050.51 and 7,370.83

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Solution

The fourth proportional to 10,902.84, 15,050.51 and 7,370.83 is: 10,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.84 : 15,050.51 = 7,370.83 : x
  2. Step 2: Convert to fraction form
    10,902.84/15,050.51 = 7,370.83/x
  3. Step 3: Cross multiply
    10,902.84x = 15,050.51 × 7,370.83
  4. Step 4: Simplify right side
    10,902.84x = 110,934,750.62
  5. Step 5: Solve for x
    x = 110,934,750.62/10,902.84
  6. Step 6: Final answer
    x = 10,174.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.