Home / 16,001.78-22,082.52-8,928.50

Finding the Fourth Proportional to 16,001.78, 22,082.52 and 8,928.50

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Solution

The fourth proportional to 16,001.78, 22,082.52 and 8,928.50 is: 12,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.78 : 22,082.52 = 8,928.50 : x
  2. Step 2: Convert to fraction form
    16,001.78/22,082.52 = 8,928.50/x
  3. Step 3: Cross multiply
    16,001.78x = 22,082.52 × 8,928.50
  4. Step 4: Simplify right side
    16,001.78x = 197,163,779.82
  5. Step 5: Solve for x
    x = 197,163,779.82/16,001.78
  6. Step 6: Final answer
    x = 12,321.37

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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.