Home / 22,232.03-30,679.05-12,158.51

Finding the Fourth Proportional to 22,232.03, 30,679.05 and 12,158.51

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Solution

The fourth proportional to 22,232.03, 30,679.05 and 12,158.51 is: 16,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232.03 : 30,679.05 = 12,158.51 : x
  2. Step 2: Convert to fraction form
    22,232.03/30,679.05 = 12,158.51/x
  3. Step 3: Cross multiply
    22,232.03x = 30,679.05 × 12,158.51
  4. Step 4: Simplify right side
    22,232.03x = 373,011,382.82
  5. Step 5: Solve for x
    x = 373,011,382.82/22,232.03
  6. Step 6: Final answer
    x = 16,778.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.