Home / 16,218.24-22,378.50-9,144.51

Finding the Fourth Proportional to 16,218.24, 22,378.50 and 9,144.51

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Solution

The fourth proportional to 16,218.24, 22,378.50 and 9,144.51 is: 12,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.24 : 22,378.50 = 9,144.51 : x
  2. Step 2: Convert to fraction form
    16,218.24/22,378.50 = 9,144.51/x
  3. Step 3: Cross multiply
    16,218.24x = 22,378.50 × 9,144.51
  4. Step 4: Simplify right side
    16,218.24x = 204,640,417.04
  5. Step 5: Solve for x
    x = 204,640,417.04/16,218.24
  6. Step 6: Final answer
    x = 12,617.92

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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.