Home / 16,878.42-23,292.12-9,325.26

Finding the Fourth Proportional to 16,878.42, 23,292.12 and 9,325.26

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Solution

The fourth proportional to 16,878.42, 23,292.12 and 9,325.26 is: 12,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.42 : 23,292.12 = 9,325.26 : x
  2. Step 2: Convert to fraction form
    16,878.42/23,292.12 = 9,325.26/x
  3. Step 3: Cross multiply
    16,878.42x = 23,292.12 × 9,325.26
  4. Step 4: Simplify right side
    16,878.42x = 217,205,074.95
  5. Step 5: Solve for x
    x = 217,205,074.95/16,878.42
  6. Step 6: Final answer
    x = 12,868.80

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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.