Home / 11,988.04-16,542.30-7,272.04

Finding the Fourth Proportional to 11,988.04, 16,542.30 and 7,272.04

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Solution

The fourth proportional to 11,988.04, 16,542.30 and 7,272.04 is: 10,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.04 : 16,542.30 = 7,272.04 : x
  2. Step 2: Convert to fraction form
    11,988.04/16,542.30 = 7,272.04/x
  3. Step 3: Cross multiply
    11,988.04x = 16,542.30 × 7,272.04
  4. Step 4: Simplify right side
    11,988.04x = 120,296,267.29
  5. Step 5: Solve for x
    x = 120,296,267.29/11,988.04
  6. Step 6: Final answer
    x = 10,034.69

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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.