Home / 9,909.33-13,673.85-5,661.46

Finding the Fourth Proportional to 9,909.33, 13,673.85 and 5,661.46

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Solution

The fourth proportional to 9,909.33, 13,673.85 and 5,661.46 is: 7,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.33 : 13,673.85 = 5,661.46 : x
  2. Step 2: Convert to fraction form
    9,909.33/13,673.85 = 5,661.46/x
  3. Step 3: Cross multiply
    9,909.33x = 13,673.85 × 5,661.46
  4. Step 4: Simplify right side
    9,909.33x = 77,413,954.82
  5. Step 5: Solve for x
    x = 77,413,954.82/9,909.33
  6. Step 6: Final answer
    x = 7,812.23

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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.