Home / 22,247.40-30,698.38-13,293.01

Finding the Fourth Proportional to 22,247.40, 30,698.38 and 13,293.01

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Solution

The fourth proportional to 22,247.40, 30,698.38 and 13,293.01 is: 18,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.40 : 30,698.38 = 13,293.01 : x
  2. Step 2: Convert to fraction form
    22,247.40/30,698.38 = 13,293.01/x
  3. Step 3: Cross multiply
    22,247.40x = 30,698.38 × 13,293.01
  4. Step 4: Simplify right side
    22,247.40x = 408,073,652.37
  5. Step 5: Solve for x
    x = 408,073,652.37/22,247.40
  6. Step 6: Final answer
    x = 18,342.54

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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.