Home / 16,886.58-23,301.87-9,331.69

Finding the Fourth Proportional to 16,886.58, 23,301.87 and 9,331.69

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Solution

The fourth proportional to 16,886.58, 23,301.87 and 9,331.69 is: 12,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.58 : 23,301.87 = 9,331.69 : x
  2. Step 2: Convert to fraction form
    16,886.58/23,301.87 = 9,331.69/x
  3. Step 3: Cross multiply
    16,886.58x = 23,301.87 × 9,331.69
  4. Step 4: Simplify right side
    16,886.58x = 217,445,780.60
  5. Step 5: Solve for x
    x = 217,445,780.60/16,886.58
  6. Step 6: Final answer
    x = 12,876.84

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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.