Home / 16,878.63-23,292.19-9,325.05

Finding the Fourth Proportional to 16,878.63, 23,292.19 and 9,325.05

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Solution

The fourth proportional to 16,878.63, 23,292.19 and 9,325.05 is: 12,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.63 : 23,292.19 = 9,325.05 : x
  2. Step 2: Convert to fraction form
    16,878.63/23,292.19 = 9,325.05/x
  3. Step 3: Cross multiply
    16,878.63x = 23,292.19 × 9,325.05
  4. Step 4: Simplify right side
    16,878.63x = 217,200,836.36
  5. Step 5: Solve for x
    x = 217,200,836.36/16,878.63
  6. Step 6: Final answer
    x = 12,868.39

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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.