Home / 21,395.71-32,109.33-10,151.09

Finding the Fourth Proportional to 21,395.71, 32,109.33 and 10,151.09

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Solution

The fourth proportional to 21,395.71, 32,109.33 and 10,151.09 is: 15,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.71 : 32,109.33 = 10,151.09 : x
  2. Step 2: Convert to fraction form
    21,395.71/32,109.33 = 10,151.09/x
  3. Step 3: Cross multiply
    21,395.71x = 32,109.33 × 10,151.09
  4. Step 4: Simplify right side
    21,395.71x = 325,944,698.67
  5. Step 5: Solve for x
    x = 325,944,698.67/21,395.71
  6. Step 6: Final answer
    x = 15,234.12

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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.