Home / 22,138.24-30,509.76-15,064.96

Finding the Fourth Proportional to 22,138.24, 30,509.76 and 15,064.96

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Solution

The fourth proportional to 22,138.24, 30,509.76 and 15,064.96 is: 20,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.24 : 30,509.76 = 15,064.96 : x
  2. Step 2: Convert to fraction form
    22,138.24/30,509.76 = 15,064.96/x
  3. Step 3: Cross multiply
    22,138.24x = 30,509.76 × 15,064.96
  4. Step 4: Simplify right side
    22,138.24x = 459,628,314.01
  5. Step 5: Solve for x
    x = 459,628,314.01/22,138.24
  6. Step 6: Final answer
    x = 20,761.74

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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.