Home / 19,433.07-29,151.54-7,743.57

Finding the Fourth Proportional to 19,433.07, 29,151.54 and 7,743.57

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Solution

The fourth proportional to 19,433.07, 29,151.54 and 7,743.57 is: 11,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.07 : 29,151.54 = 7,743.57 : x
  2. Step 2: Convert to fraction form
    19,433.07/29,151.54 = 7,743.57/x
  3. Step 3: Cross multiply
    19,433.07x = 29,151.54 × 7,743.57
  4. Step 4: Simplify right side
    19,433.07x = 225,736,990.60
  5. Step 5: Solve for x
    x = 225,736,990.60/19,433.07
  6. Step 6: Final answer
    x = 11,616.13

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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.