Home / 9,549.97-13,178.88-5,301.06

Finding the Fourth Proportional to 9,549.97, 13,178.88 and 5,301.06

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Solution

The fourth proportional to 9,549.97, 13,178.88 and 5,301.06 is: 7,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,549.97 : 13,178.88 = 5,301.06 : x
  2. Step 2: Convert to fraction form
    9,549.97/13,178.88 = 5,301.06/x
  3. Step 3: Cross multiply
    9,549.97x = 13,178.88 × 5,301.06
  4. Step 4: Simplify right side
    9,549.97x = 69,861,984.19
  5. Step 5: Solve for x
    x = 69,861,984.19/9,549.97
  6. Step 6: Final answer
    x = 7,315.42

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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.