Home / 18,930.62-26,122.73-10,973.36

Finding the Fourth Proportional to 18,930.62, 26,122.73 and 10,973.36

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Solution

The fourth proportional to 18,930.62, 26,122.73 and 10,973.36 is: 15,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.62 : 26,122.73 = 10,973.36 : x
  2. Step 2: Convert to fraction form
    18,930.62/26,122.73 = 10,973.36/x
  3. Step 3: Cross multiply
    18,930.62x = 26,122.73 × 10,973.36
  4. Step 4: Simplify right side
    18,930.62x = 286,653,934.99
  5. Step 5: Solve for x
    x = 286,653,934.99/18,930.62
  6. Step 6: Final answer
    x = 15,142.35

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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.