Home / 22,005.42-30,366.66-13,047.63

Finding the Fourth Proportional to 22,005.42, 30,366.66 and 13,047.63

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Solution

The fourth proportional to 22,005.42, 30,366.66 and 13,047.63 is: 18,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.42 : 30,366.66 = 13,047.63 : x
  2. Step 2: Convert to fraction form
    22,005.42/30,366.66 = 13,047.63/x
  3. Step 3: Cross multiply
    22,005.42x = 30,366.66 × 13,047.63
  4. Step 4: Simplify right side
    22,005.42x = 396,212,944.02
  5. Step 5: Solve for x
    x = 396,212,944.02/22,005.42
  6. Step 6: Final answer
    x = 18,005.24

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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.