Home / 17,695.80-26,543.70-12,166.20

Finding the Fourth Proportional to 17,695.80, 26,543.70 and 12,166.20

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Solution

The fourth proportional to 17,695.80, 26,543.70 and 12,166.20 is: 18,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.80 : 26,543.70 = 12,166.20 : x
  2. Step 2: Convert to fraction form
    17,695.80/26,543.70 = 12,166.20/x
  3. Step 3: Cross multiply
    17,695.80x = 26,543.70 × 12,166.20
  4. Step 4: Simplify right side
    17,695.80x = 322,935,962.94
  5. Step 5: Solve for x
    x = 322,935,962.94/17,695.80
  6. Step 6: Final answer
    x = 18,249.30

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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.