Home / 16,534.32-22,815.43-9,820.23

Finding the Fourth Proportional to 16,534.32, 22,815.43 and 9,820.23

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Solution

The fourth proportional to 16,534.32, 22,815.43 and 9,820.23 is: 13,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,534.32 : 22,815.43 = 9,820.23 : x
  2. Step 2: Convert to fraction form
    16,534.32/22,815.43 = 9,820.23/x
  3. Step 3: Cross multiply
    16,534.32x = 22,815.43 × 9,820.23
  4. Step 4: Simplify right side
    16,534.32x = 224,052,770.15
  5. Step 5: Solve for x
    x = 224,052,770.15/16,534.32
  6. Step 6: Final answer
    x = 13,550.77

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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.