Home / 12,217.51-18,315.85-11,636.23

Finding the Fourth Proportional to 12,217.51, 18,315.85 and 11,636.23

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Solution

The fourth proportional to 12,217.51, 18,315.85 and 11,636.23 is: 17,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.51 : 18,315.85 = 11,636.23 : x
  2. Step 2: Convert to fraction form
    12,217.51/18,315.85 = 11,636.23/x
  3. Step 3: Cross multiply
    12,217.51x = 18,315.85 × 11,636.23
  4. Step 4: Simplify right side
    12,217.51x = 213,127,443.31
  5. Step 5: Solve for x
    x = 213,127,443.31/12,217.51
  6. Step 6: Final answer
    x = 17,444.43

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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.