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Finding the Fourth Proportional to 15,224.88, 22,804.95 and 7,315.77

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Solution

The fourth proportional to 15,224.88, 22,804.95 and 7,315.77 is: 10,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.88 : 22,804.95 = 7,315.77 : x
  2. Step 2: Convert to fraction form
    15,224.88/22,804.95 = 7,315.77/x
  3. Step 3: Cross multiply
    15,224.88x = 22,804.95 × 7,315.77
  4. Step 4: Simplify right side
    15,224.88x = 166,835,769.06
  5. Step 5: Solve for x
    x = 166,835,769.06/15,224.88
  6. Step 6: Final answer
    x = 10,958.10

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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.