Home / 10,225.64-15,338.40-2,830.04

Finding the Fourth Proportional to 10,225.64, 15,338.40 and 2,830.04

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Solution

The fourth proportional to 10,225.64, 15,338.40 and 2,830.04 is: 4,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.64 : 15,338.40 = 2,830.04 : x
  2. Step 2: Convert to fraction form
    10,225.64/15,338.40 = 2,830.04/x
  3. Step 3: Cross multiply
    10,225.64x = 15,338.40 × 2,830.04
  4. Step 4: Simplify right side
    10,225.64x = 43,408,208.84
  5. Step 5: Solve for x
    x = 43,408,208.84/10,225.64
  6. Step 6: Final answer
    x = 4,245.04

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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.