Home / 16,188.96-22,341.78-9,820.02

Finding the Fourth Proportional to 16,188.96, 22,341.78 and 9,820.02

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Solution

The fourth proportional to 16,188.96, 22,341.78 and 9,820.02 is: 13,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.96 : 22,341.78 = 9,820.02 : x
  2. Step 2: Convert to fraction form
    16,188.96/22,341.78 = 9,820.02/x
  3. Step 3: Cross multiply
    16,188.96x = 22,341.78 × 9,820.02
  4. Step 4: Simplify right side
    16,188.96x = 219,396,726.44
  5. Step 5: Solve for x
    x = 219,396,726.44/16,188.96
  6. Step 6: Final answer
    x = 13,552.24

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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.