Home / 17,820.60-26,723.70-6,127.80

Finding the Fourth Proportional to 17,820.60, 26,723.70 and 6,127.80

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Solution

The fourth proportional to 17,820.60, 26,723.70 and 6,127.80 is: 9,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.60 : 26,723.70 = 6,127.80 : x
  2. Step 2: Convert to fraction form
    17,820.60/26,723.70 = 6,127.80/x
  3. Step 3: Cross multiply
    17,820.60x = 26,723.70 × 6,127.80
  4. Step 4: Simplify right side
    17,820.60x = 163,757,488.86
  5. Step 5: Solve for x
    x = 163,757,488.86/17,820.60
  6. Step 6: Final answer
    x = 9,189.22

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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.