Home / 9,868.01-13,617.69-5,391.66

Finding the Fourth Proportional to 9,868.01, 13,617.69 and 5,391.66

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Solution

The fourth proportional to 9,868.01, 13,617.69 and 5,391.66 is: 7,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.01 : 13,617.69 = 5,391.66 : x
  2. Step 2: Convert to fraction form
    9,868.01/13,617.69 = 5,391.66/x
  3. Step 3: Cross multiply
    9,868.01x = 13,617.69 × 5,391.66
  4. Step 4: Simplify right side
    9,868.01x = 73,421,954.47
  5. Step 5: Solve for x
    x = 73,421,954.47/9,868.01
  6. Step 6: Final answer
    x = 7,440.41

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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.