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Finding the Fourth Proportional to 19,513.71, 29,275.22 and 6,366.09

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Solution

The fourth proportional to 19,513.71, 29,275.22 and 6,366.09 is: 9,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.71 : 29,275.22 = 6,366.09 : x
  2. Step 2: Convert to fraction form
    19,513.71/29,275.22 = 6,366.09/x
  3. Step 3: Cross multiply
    19,513.71x = 29,275.22 × 6,366.09
  4. Step 4: Simplify right side
    19,513.71x = 186,368,810.99
  5. Step 5: Solve for x
    x = 186,368,810.99/19,513.71
  6. Step 6: Final answer
    x = 9,550.66

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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.