Home / 10,068.63-15,113.88-7,427.85

Finding the Fourth Proportional to 10,068.63, 15,113.88 and 7,427.85

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Solution

The fourth proportional to 10,068.63, 15,113.88 and 7,427.85 is: 11,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.63 : 15,113.88 = 7,427.85 : x
  2. Step 2: Convert to fraction form
    10,068.63/15,113.88 = 7,427.85/x
  3. Step 3: Cross multiply
    10,068.63x = 15,113.88 × 7,427.85
  4. Step 4: Simplify right side
    10,068.63x = 112,263,633.56
  5. Step 5: Solve for x
    x = 112,263,633.56/10,068.63
  6. Step 6: Final answer
    x = 11,149.84

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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.