Home / 15,244.62-21,039.39-9,935.34

Finding the Fourth Proportional to 15,244.62, 21,039.39 and 9,935.34

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Solution

The fourth proportional to 15,244.62, 21,039.39 and 9,935.34 is: 13,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.62 : 21,039.39 = 9,935.34 : x
  2. Step 2: Convert to fraction form
    15,244.62/21,039.39 = 9,935.34/x
  3. Step 3: Cross multiply
    15,244.62x = 21,039.39 × 9,935.34
  4. Step 4: Simplify right side
    15,244.62x = 209,033,493.04
  5. Step 5: Solve for x
    x = 209,033,493.04/15,244.62
  6. Step 6: Final answer
    x = 13,711.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.