Home / 10,500.90-15,745.88-4,952.75

Finding the Fourth Proportional to 10,500.90, 15,745.88 and 4,952.75

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Solution

The fourth proportional to 10,500.90, 15,745.88 and 4,952.75 is: 7,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.90 : 15,745.88 = 4,952.75 : x
  2. Step 2: Convert to fraction form
    10,500.90/15,745.88 = 4,952.75/x
  3. Step 3: Cross multiply
    10,500.90x = 15,745.88 × 4,952.75
  4. Step 4: Simplify right side
    10,500.90x = 77,985,407.17
  5. Step 5: Solve for x
    x = 77,985,407.17/10,500.90
  6. Step 6: Final answer
    x = 7,426.55

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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.