Home / 13,272.83-18,317.07-7,304.88

Finding the Fourth Proportional to 13,272.83, 18,317.07 and 7,304.88

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Solution

The fourth proportional to 13,272.83, 18,317.07 and 7,304.88 is: 10,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.83 : 18,317.07 = 7,304.88 : x
  2. Step 2: Convert to fraction form
    13,272.83/18,317.07 = 7,304.88/x
  3. Step 3: Cross multiply
    13,272.83x = 18,317.07 × 7,304.88
  4. Step 4: Simplify right side
    13,272.83x = 133,803,998.30
  5. Step 5: Solve for x
    x = 133,803,998.30/13,272.83
  6. Step 6: Final answer
    x = 10,081.05

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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.