Home / 12,221.45-18,317.52-6,301.16

Finding the Fourth Proportional to 12,221.45, 18,317.52 and 6,301.16

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Solution

The fourth proportional to 12,221.45, 18,317.52 and 6,301.16 is: 9,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221.45 : 18,317.52 = 6,301.16 : x
  2. Step 2: Convert to fraction form
    12,221.45/18,317.52 = 6,301.16/x
  3. Step 3: Cross multiply
    12,221.45x = 18,317.52 × 6,301.16
  4. Step 4: Simplify right side
    12,221.45x = 115,421,532.74
  5. Step 5: Solve for x
    x = 115,421,532.74/12,221.45
  6. Step 6: Final answer
    x = 9,444.18

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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.