Home / 12,867.26-19,304.06-9,160.29

Finding the Fourth Proportional to 12,867.26, 19,304.06 and 9,160.29

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Solution

The fourth proportional to 12,867.26, 19,304.06 and 9,160.29 is: 13,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.26 : 19,304.06 = 9,160.29 : x
  2. Step 2: Convert to fraction form
    12,867.26/19,304.06 = 9,160.29/x
  3. Step 3: Cross multiply
    12,867.26x = 19,304.06 × 9,160.29
  4. Step 4: Simplify right side
    12,867.26x = 176,830,741.98
  5. Step 5: Solve for x
    x = 176,830,741.98/12,867.26
  6. Step 6: Final answer
    x = 13,742.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.