Home / 15,382.24-21,227.93-8,667.50

Finding the Fourth Proportional to 15,382.24, 21,227.93 and 8,667.50

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Solution

The fourth proportional to 15,382.24, 21,227.93 and 8,667.50 is: 11,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.24 : 21,227.93 = 8,667.50 : x
  2. Step 2: Convert to fraction form
    15,382.24/21,227.93 = 8,667.50/x
  3. Step 3: Cross multiply
    15,382.24x = 21,227.93 × 8,667.50
  4. Step 4: Simplify right side
    15,382.24x = 183,992,966.30
  5. Step 5: Solve for x
    x = 183,992,966.30/15,382.24
  6. Step 6: Final answer
    x = 11,961.39

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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.