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Finding the Fourth Proportional to 9,360.40, 14,040.60 and 8,850.10

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Solution

The fourth proportional to 9,360.40, 14,040.60 and 8,850.10 is: 13,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.40 : 14,040.60 = 8,850.10 : x
  2. Step 2: Convert to fraction form
    9,360.40/14,040.60 = 8,850.10/x
  3. Step 3: Cross multiply
    9,360.40x = 14,040.60 × 8,850.10
  4. Step 4: Simplify right side
    9,360.40x = 124,260,714.06
  5. Step 5: Solve for x
    x = 124,260,714.06/9,360.40
  6. Step 6: Final answer
    x = 13,275.15

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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.