Home / 12,380.68-18,570.87-5,802.22

Finding the Fourth Proportional to 12,380.68, 18,570.87 and 5,802.22

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Solution

The fourth proportional to 12,380.68, 18,570.87 and 5,802.22 is: 8,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.68 : 18,570.87 = 5,802.22 : x
  2. Step 2: Convert to fraction form
    12,380.68/18,570.87 = 5,802.22/x
  3. Step 3: Cross multiply
    12,380.68x = 18,570.87 × 5,802.22
  4. Step 4: Simplify right side
    12,380.68x = 107,752,226.90
  5. Step 5: Solve for x
    x = 107,752,226.90/12,380.68
  6. Step 6: Final answer
    x = 8,703.26

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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.