Home / 22,012.50-30,377.25-12,581.27

Finding the Fourth Proportional to 22,012.50, 30,377.25 and 12,581.27

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Solution

The fourth proportional to 22,012.50, 30,377.25 and 12,581.27 is: 17,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.50 : 30,377.25 = 12,581.27 : x
  2. Step 2: Convert to fraction form
    22,012.50/30,377.25 = 12,581.27/x
  3. Step 3: Cross multiply
    22,012.50x = 30,377.25 × 12,581.27
  4. Step 4: Simplify right side
    22,012.50x = 382,184,232.22
  5. Step 5: Solve for x
    x = 382,184,232.22/22,012.50
  6. Step 6: Final answer
    x = 17,362.15

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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.