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Finding the Fourth Proportional to 10,010.20, 15,015.30 and 9,583.60

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Solution

The fourth proportional to 10,010.20, 15,015.30 and 9,583.60 is: 14,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.20 : 15,015.30 = 9,583.60 : x
  2. Step 2: Convert to fraction form
    10,010.20/15,015.30 = 9,583.60/x
  3. Step 3: Cross multiply
    10,010.20x = 15,015.30 × 9,583.60
  4. Step 4: Simplify right side
    10,010.20x = 143,900,629.08
  5. Step 5: Solve for x
    x = 143,900,629.08/10,010.20
  6. Step 6: Final answer
    x = 14,375.40

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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.