Home / 16,209.75-22,371.63-9,498.05

Finding the Fourth Proportional to 16,209.75, 22,371.63 and 9,498.05

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Solution

The fourth proportional to 16,209.75, 22,371.63 and 9,498.05 is: 13,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209.75 : 22,371.63 = 9,498.05 : x
  2. Step 2: Convert to fraction form
    16,209.75/22,371.63 = 9,498.05/x
  3. Step 3: Cross multiply
    16,209.75x = 22,371.63 × 9,498.05
  4. Step 4: Simplify right side
    16,209.75x = 212,486,805.35
  5. Step 5: Solve for x
    x = 212,486,805.35/16,209.75
  6. Step 6: Final answer
    x = 13,108.58

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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.