Home / 12,229.02-18,351.75-4,331.51

Finding the Fourth Proportional to 12,229.02, 18,351.75 and 4,331.51

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Solution

The fourth proportional to 12,229.02, 18,351.75 and 4,331.51 is: 6,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.02 : 18,351.75 = 4,331.51 : x
  2. Step 2: Convert to fraction form
    12,229.02/18,351.75 = 4,331.51/x
  3. Step 3: Cross multiply
    12,229.02x = 18,351.75 × 4,331.51
  4. Step 4: Simplify right side
    12,229.02x = 79,490,680.64
  5. Step 5: Solve for x
    x = 79,490,680.64/12,229.02
  6. Step 6: Final answer
    x = 6,500.17

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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.