Home / 9,019.04-12,442.32-5,291.36

Finding the Fourth Proportional to 9,019.04, 12,442.32 and 5,291.36

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Solution

The fourth proportional to 9,019.04, 12,442.32 and 5,291.36 is: 7,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.04 : 12,442.32 = 5,291.36 : x
  2. Step 2: Convert to fraction form
    9,019.04/12,442.32 = 5,291.36/x
  3. Step 3: Cross multiply
    9,019.04x = 12,442.32 × 5,291.36
  4. Step 4: Simplify right side
    9,019.04x = 65,836,794.36
  5. Step 5: Solve for x
    x = 65,836,794.36/9,019.04
  6. Step 6: Final answer
    x = 7,299.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.