Home / 9,616.40-13,270.73-5,367.86

Finding the Fourth Proportional to 9,616.40, 13,270.73 and 5,367.86

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Solution

The fourth proportional to 9,616.40, 13,270.73 and 5,367.86 is: 7,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.40 : 13,270.73 = 5,367.86 : x
  2. Step 2: Convert to fraction form
    9,616.40/13,270.73 = 5,367.86/x
  3. Step 3: Cross multiply
    9,616.40x = 13,270.73 × 5,367.86
  4. Step 4: Simplify right side
    9,616.40x = 71,235,420.74
  5. Step 5: Solve for x
    x = 71,235,420.74/9,616.40
  6. Step 6: Final answer
    x = 7,407.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.