Home / 10,054.70-15,087.45-4,211.90

Finding the Fourth Proportional to 10,054.70, 15,087.45 and 4,211.90

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Solution

The fourth proportional to 10,054.70, 15,087.45 and 4,211.90 is: 6,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.70 : 15,087.45 = 4,211.90 : x
  2. Step 2: Convert to fraction form
    10,054.70/15,087.45 = 4,211.90/x
  3. Step 3: Cross multiply
    10,054.70x = 15,087.45 × 4,211.90
  4. Step 4: Simplify right side
    10,054.70x = 63,546,830.66
  5. Step 5: Solve for x
    x = 63,546,830.66/10,054.70
  6. Step 6: Final answer
    x = 6,320.11

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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.