Home / 18,941.75-28,412.69-5,794.10

Finding the Fourth Proportional to 18,941.75, 28,412.69 and 5,794.10

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Solution

The fourth proportional to 18,941.75, 28,412.69 and 5,794.10 is: 8,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.75 : 28,412.69 = 5,794.10 : x
  2. Step 2: Convert to fraction form
    18,941.75/28,412.69 = 5,794.10/x
  3. Step 3: Cross multiply
    18,941.75x = 28,412.69 × 5,794.10
  4. Step 4: Simplify right side
    18,941.75x = 164,625,967.13
  5. Step 5: Solve for x
    x = 164,625,967.13/18,941.75
  6. Step 6: Final answer
    x = 8,691.17

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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.