Home / 22,250.40-30,705.37-12,178.63

Finding the Fourth Proportional to 22,250.40, 30,705.37 and 12,178.63

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Solution

The fourth proportional to 22,250.40, 30,705.37 and 12,178.63 is: 16,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.40 : 30,705.37 = 12,178.63 : x
  2. Step 2: Convert to fraction form
    22,250.40/30,705.37 = 12,178.63/x
  3. Step 3: Cross multiply
    22,250.40x = 30,705.37 × 12,178.63
  4. Step 4: Simplify right side
    22,250.40x = 373,949,340.24
  5. Step 5: Solve for x
    x = 373,949,340.24/22,250.40
  6. Step 6: Final answer
    x = 16,806.41

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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.