Home / 9,351.26-12,904.65-5,159.48

Finding the Fourth Proportional to 9,351.26, 12,904.65 and 5,159.48

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Solution

The fourth proportional to 9,351.26, 12,904.65 and 5,159.48 is: 7,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.26 : 12,904.65 = 5,159.48 : x
  2. Step 2: Convert to fraction form
    9,351.26/12,904.65 = 5,159.48/x
  3. Step 3: Cross multiply
    9,351.26x = 12,904.65 × 5,159.48
  4. Step 4: Simplify right side
    9,351.26x = 66,581,283.58
  5. Step 5: Solve for x
    x = 66,581,283.58/9,351.26
  6. Step 6: Final answer
    x = 7,120.03

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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.