Home / 16,454.80-22,706.16-9,740.60

Finding the Fourth Proportional to 16,454.80, 22,706.16 and 9,740.60

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Solution

The fourth proportional to 16,454.80, 22,706.16 and 9,740.60 is: 13,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.80 : 22,706.16 = 9,740.60 : x
  2. Step 2: Convert to fraction form
    16,454.80/22,706.16 = 9,740.60/x
  3. Step 3: Cross multiply
    16,454.80x = 22,706.16 × 9,740.60
  4. Step 4: Simplify right side
    16,454.80x = 221,171,622.10
  5. Step 5: Solve for x
    x = 221,171,622.10/16,454.80
  6. Step 6: Final answer
    x = 13,441.16

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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.