Home / 21,207.69-31,806.68-9,524.25

Finding the Fourth Proportional to 21,207.69, 31,806.68 and 9,524.25

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Solution

The fourth proportional to 21,207.69, 31,806.68 and 9,524.25 is: 14,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207.69 : 31,806.68 = 9,524.25 : x
  2. Step 2: Convert to fraction form
    21,207.69/31,806.68 = 9,524.25/x
  3. Step 3: Cross multiply
    21,207.69x = 31,806.68 × 9,524.25
  4. Step 4: Simplify right side
    21,207.69x = 302,934,724.37
  5. Step 5: Solve for x
    x = 302,934,724.37/21,207.69
  6. Step 6: Final answer
    x = 14,284.19

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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.