Home / 22,050.78-30,432.69-13,098.32

Finding the Fourth Proportional to 22,050.78, 30,432.69 and 13,098.32

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Solution

The fourth proportional to 22,050.78, 30,432.69 and 13,098.32 is: 18,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.78 : 30,432.69 = 13,098.32 : x
  2. Step 2: Convert to fraction form
    22,050.78/30,432.69 = 13,098.32/x
  3. Step 3: Cross multiply
    22,050.78x = 30,432.69 × 13,098.32
  4. Step 4: Simplify right side
    22,050.78x = 398,617,112.08
  5. Step 5: Solve for x
    x = 398,617,112.08/22,050.78
  6. Step 6: Final answer
    x = 18,077.23

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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.