Home / 9,447.27-13,036.65-5,197.47

Finding the Fourth Proportional to 9,447.27, 13,036.65 and 5,197.47

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Solution

The fourth proportional to 9,447.27, 13,036.65 and 5,197.47 is: 7,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.27 : 13,036.65 = 5,197.47 : x
  2. Step 2: Convert to fraction form
    9,447.27/13,036.65 = 5,197.47/x
  3. Step 3: Cross multiply
    9,447.27x = 13,036.65 × 5,197.47
  4. Step 4: Simplify right side
    9,447.27x = 67,757,597.28
  5. Step 5: Solve for x
    x = 67,757,597.28/9,447.27
  6. Step 6: Final answer
    x = 7,172.19

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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.