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Finding the Fourth Proportional to 9,019.88, 13,505.12 and 7,464.36

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Solution

The fourth proportional to 9,019.88, 13,505.12 and 7,464.36 is: 11,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.88 : 13,505.12 = 7,464.36 : x
  2. Step 2: Convert to fraction form
    9,019.88/13,505.12 = 7,464.36/x
  3. Step 3: Cross multiply
    9,019.88x = 13,505.12 × 7,464.36
  4. Step 4: Simplify right side
    9,019.88x = 100,807,040.20
  5. Step 5: Solve for x
    x = 100,807,040.20/9,019.88
  6. Step 6: Final answer
    x = 11,176.10

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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.