Home / 10,070.80-15,107-2,675.12

Finding the Fourth Proportional to 10,070.80, 15,107 and 2,675.12

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Solution

The fourth proportional to 10,070.80, 15,107 and 2,675.12 is: 4,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.80 : 15,107 = 2,675.12 : x
  2. Step 2: Convert to fraction form
    10,070.80/15,107 = 2,675.12/x
  3. Step 3: Cross multiply
    10,070.80x = 15,107 × 2,675.12
  4. Step 4: Simplify right side
    10,070.80x = 40,413,037.84
  5. Step 5: Solve for x
    x = 40,413,037.84/10,070.80
  6. Step 6: Final answer
    x = 4,012.89

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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.