Home / 12,330.03-18,491.40-3,565.02

Finding the Fourth Proportional to 12,330.03, 18,491.40 and 3,565.02

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Solution

The fourth proportional to 12,330.03, 18,491.40 and 3,565.02 is: 5,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.03 : 18,491.40 = 3,565.02 : x
  2. Step 2: Convert to fraction form
    12,330.03/18,491.40 = 3,565.02/x
  3. Step 3: Cross multiply
    12,330.03x = 18,491.40 × 3,565.02
  4. Step 4: Simplify right side
    12,330.03x = 65,922,210.83
  5. Step 5: Solve for x
    x = 65,922,210.83/12,330.03
  6. Step 6: Final answer
    x = 5,346.48

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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.