Home / 16,872.45-23,283.77-9,319.08

Finding the Fourth Proportional to 16,872.45, 23,283.77 and 9,319.08

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Solution

The fourth proportional to 16,872.45, 23,283.77 and 9,319.08 is: 12,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.45 : 23,283.77 = 9,319.08 : x
  2. Step 2: Convert to fraction form
    16,872.45/23,283.77 = 9,319.08/x
  3. Step 3: Cross multiply
    16,872.45x = 23,283.77 × 9,319.08
  4. Step 4: Simplify right side
    16,872.45x = 216,983,315.33
  5. Step 5: Solve for x
    x = 216,983,315.33/16,872.45
  6. Step 6: Final answer
    x = 12,860.21

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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.