Home / 9,004.05-13,437.30-8,019.90

Finding the Fourth Proportional to 9,004.05, 13,437.30 and 8,019.90

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Solution

The fourth proportional to 9,004.05, 13,437.30 and 8,019.90 is: 11,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.05 : 13,437.30 = 8,019.90 : x
  2. Step 2: Convert to fraction form
    9,004.05/13,437.30 = 8,019.90/x
  3. Step 3: Cross multiply
    9,004.05x = 13,437.30 × 8,019.90
  4. Step 4: Simplify right side
    9,004.05x = 107,765,802.27
  5. Step 5: Solve for x
    x = 107,765,802.27/9,004.05
  6. Step 6: Final answer
    x = 11,968.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.