Home / 22,330.32-30,804.22-13,250.40

Finding the Fourth Proportional to 22,330.32, 30,804.22 and 13,250.40

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Solution

The fourth proportional to 22,330.32, 30,804.22 and 13,250.40 is: 18,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.32 : 30,804.22 = 13,250.40 : x
  2. Step 2: Convert to fraction form
    22,330.32/30,804.22 = 13,250.40/x
  3. Step 3: Cross multiply
    22,330.32x = 30,804.22 × 13,250.40
  4. Step 4: Simplify right side
    22,330.32x = 408,168,236.69
  5. Step 5: Solve for x
    x = 408,168,236.69/22,330.32
  6. Step 6: Final answer
    x = 18,278.66

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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.