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Finding the Fourth Proportional to 9,016.40, 13,524.60 and 8,870.60

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Solution

The fourth proportional to 9,016.40, 13,524.60 and 8,870.60 is: 13,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,016.40 : 13,524.60 = 8,870.60 : x
  2. Step 2: Convert to fraction form
    9,016.40/13,524.60 = 8,870.60/x
  3. Step 3: Cross multiply
    9,016.40x = 13,524.60 × 8,870.60
  4. Step 4: Simplify right side
    9,016.40x = 119,971,316.76
  5. Step 5: Solve for x
    x = 119,971,316.76/9,016.40
  6. Step 6: Final answer
    x = 13,305.90

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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.