Home / 13,224.29-19,815.92-7,663.84

Finding the Fourth Proportional to 13,224.29, 19,815.92 and 7,663.84

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Solution

The fourth proportional to 13,224.29, 19,815.92 and 7,663.84 is: 11,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.29 : 19,815.92 = 7,663.84 : x
  2. Step 2: Convert to fraction form
    13,224.29/19,815.92 = 7,663.84/x
  3. Step 3: Cross multiply
    13,224.29x = 19,815.92 × 7,663.84
  4. Step 4: Simplify right side
    13,224.29x = 151,866,024.32
  5. Step 5: Solve for x
    x = 151,866,024.32/13,224.29
  6. Step 6: Final answer
    x = 11,483.87

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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.