Home / 16,403.48-22,634.52-9,329.12

Finding the Fourth Proportional to 16,403.48, 22,634.52 and 9,329.12

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Solution

The fourth proportional to 16,403.48, 22,634.52 and 9,329.12 is: 12,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.48 : 22,634.52 = 9,329.12 : x
  2. Step 2: Convert to fraction form
    16,403.48/22,634.52 = 9,329.12/x
  3. Step 3: Cross multiply
    16,403.48x = 22,634.52 × 9,329.12
  4. Step 4: Simplify right side
    16,403.48x = 211,160,153.22
  5. Step 5: Solve for x
    x = 211,160,153.22/16,403.48
  6. Step 6: Final answer
    x = 12,872.89

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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.