Home / 9,523.52-13,142.46-5,331.80

Finding the Fourth Proportional to 9,523.52, 13,142.46 and 5,331.80

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Solution

The fourth proportional to 9,523.52, 13,142.46 and 5,331.80 is: 7,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.52 : 13,142.46 = 5,331.80 : x
  2. Step 2: Convert to fraction form
    9,523.52/13,142.46 = 5,331.80/x
  3. Step 3: Cross multiply
    9,523.52x = 13,142.46 × 5,331.80
  4. Step 4: Simplify right side
    9,523.52x = 70,072,968.23
  5. Step 5: Solve for x
    x = 70,072,968.23/9,523.52
  6. Step 6: Final answer
    x = 7,357.89

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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.