Home / 12,875.88-19,324.08-5,856.42

Finding the Fourth Proportional to 12,875.88, 19,324.08 and 5,856.42

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Solution

The fourth proportional to 12,875.88, 19,324.08 and 5,856.42 is: 8,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.88 : 19,324.08 = 5,856.42 : x
  2. Step 2: Convert to fraction form
    12,875.88/19,324.08 = 5,856.42/x
  3. Step 3: Cross multiply
    12,875.88x = 19,324.08 × 5,856.42
  4. Step 4: Simplify right side
    12,875.88x = 113,169,928.59
  5. Step 5: Solve for x
    x = 113,169,928.59/12,875.88
  6. Step 6: Final answer
    x = 8,789.30

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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.