Home / 10,229.85-15,352.38-7,603.47

Finding the Fourth Proportional to 10,229.85, 15,352.38 and 7,603.47

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Solution

The fourth proportional to 10,229.85, 15,352.38 and 7,603.47 is: 11,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.85 : 15,352.38 = 7,603.47 : x
  2. Step 2: Convert to fraction form
    10,229.85/15,352.38 = 7,603.47/x
  3. Step 3: Cross multiply
    10,229.85x = 15,352.38 × 7,603.47
  4. Step 4: Simplify right side
    10,229.85x = 116,731,360.76
  5. Step 5: Solve for x
    x = 116,731,360.76/10,229.85
  6. Step 6: Final answer
    x = 11,410.86

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1.5x scale

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.