Home / 16,224.93-22,390.70-9,515.40

Finding the Fourth Proportional to 16,224.93, 22,390.70 and 9,515.40

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Solution

The fourth proportional to 16,224.93, 22,390.70 and 9,515.40 is: 13,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,224.93 : 22,390.70 = 9,515.40 : x
  2. Step 2: Convert to fraction form
    16,224.93/22,390.70 = 9,515.40/x
  3. Step 3: Cross multiply
    16,224.93x = 22,390.70 × 9,515.40
  4. Step 4: Simplify right side
    16,224.93x = 213,056,335.24
  5. Step 5: Solve for x
    x = 213,056,335.24/16,224.93
  6. Step 6: Final answer
    x = 13,131.42

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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.