Home / 21,206.59-31,794.14-10,668.89

Finding the Fourth Proportional to 21,206.59, 31,794.14 and 10,668.89

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Solution

The fourth proportional to 21,206.59, 31,794.14 and 10,668.89 is: 15,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206.59 : 31,794.14 = 10,668.89 : x
  2. Step 2: Convert to fraction form
    21,206.59/31,794.14 = 10,668.89/x
  3. Step 3: Cross multiply
    21,206.59x = 31,794.14 × 10,668.89
  4. Step 4: Simplify right side
    21,206.59x = 339,208,288.46
  5. Step 5: Solve for x
    x = 339,208,288.46/21,206.59
  6. Step 6: Final answer
    x = 15,995.42

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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.