Home / 10,203.33-15,265.71-7,430.85

Finding the Fourth Proportional to 10,203.33, 15,265.71 and 7,430.85

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Solution

The fourth proportional to 10,203.33, 15,265.71 and 7,430.85 is: 11,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.33 : 15,265.71 = 7,430.85 : x
  2. Step 2: Convert to fraction form
    10,203.33/15,265.71 = 7,430.85/x
  3. Step 3: Cross multiply
    10,203.33x = 15,265.71 × 7,430.85
  4. Step 4: Simplify right side
    10,203.33x = 113,437,201.15
  5. Step 5: Solve for x
    x = 113,437,201.15/10,203.33
  6. Step 6: Final answer
    x = 11,117.66

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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.