Home / 9,133.60-13,705.80-6,662.20

Finding the Fourth Proportional to 9,133.60, 13,705.80 and 6,662.20

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Solution

The fourth proportional to 9,133.60, 13,705.80 and 6,662.20 is: 9,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.60 : 13,705.80 = 6,662.20 : x
  2. Step 2: Convert to fraction form
    9,133.60/13,705.80 = 6,662.20/x
  3. Step 3: Cross multiply
    9,133.60x = 13,705.80 × 6,662.20
  4. Step 4: Simplify right side
    9,133.60x = 91,310,780.76
  5. Step 5: Solve for x
    x = 91,310,780.76/9,133.60
  6. Step 6: Final answer
    x = 9,997.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.