Home / 12,623.28-18,930.47-5,224.47

Finding the Fourth Proportional to 12,623.28, 18,930.47 and 5,224.47

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Solution

The fourth proportional to 12,623.28, 18,930.47 and 5,224.47 is: 7,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.28 : 18,930.47 = 5,224.47 : x
  2. Step 2: Convert to fraction form
    12,623.28/18,930.47 = 5,224.47/x
  3. Step 3: Cross multiply
    12,623.28x = 18,930.47 × 5,224.47
  4. Step 4: Simplify right side
    12,623.28x = 98,901,646.48
  5. Step 5: Solve for x
    x = 98,901,646.48/12,623.28
  6. Step 6: Final answer
    x = 7,834.86

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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.