Home / 19,624.28-29,418.61-7,135.48

Finding the Fourth Proportional to 19,624.28, 29,418.61 and 7,135.48

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Solution

The fourth proportional to 19,624.28, 29,418.61 and 7,135.48 is: 10,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.28 : 29,418.61 = 7,135.48 : x
  2. Step 2: Convert to fraction form
    19,624.28/29,418.61 = 7,135.48/x
  3. Step 3: Cross multiply
    19,624.28x = 29,418.61 × 7,135.48
  4. Step 4: Simplify right side
    19,624.28x = 209,915,903.28
  5. Step 5: Solve for x
    x = 209,915,903.28/19,624.28
  6. Step 6: Final answer
    x = 10,696.74

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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.