Home / 12,022.16-18,033.30-7,888.41

Finding the Fourth Proportional to 12,022.16, 18,033.30 and 7,888.41

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Solution

The fourth proportional to 12,022.16, 18,033.30 and 7,888.41 is: 11,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.16 : 18,033.30 = 7,888.41 : x
  2. Step 2: Convert to fraction form
    12,022.16/18,033.30 = 7,888.41/x
  3. Step 3: Cross multiply
    12,022.16x = 18,033.30 × 7,888.41
  4. Step 4: Simplify right side
    12,022.16x = 142,254,064.05
  5. Step 5: Solve for x
    x = 142,254,064.05/12,022.16
  6. Step 6: Final answer
    x = 11,832.66

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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.