Home / 12,875.52-19,321.92-4,555.56

Finding the Fourth Proportional to 12,875.52, 19,321.92 and 4,555.56

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Solution

The fourth proportional to 12,875.52, 19,321.92 and 4,555.56 is: 6,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.52 : 19,321.92 = 4,555.56 : x
  2. Step 2: Convert to fraction form
    12,875.52/19,321.92 = 4,555.56/x
  3. Step 3: Cross multiply
    12,875.52x = 19,321.92 × 4,555.56
  4. Step 4: Simplify right side
    12,875.52x = 88,022,165.88
  5. Step 5: Solve for x
    x = 88,022,165.88/12,875.52
  6. Step 6: Final answer
    x = 6,836.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.