Home / 21,389.22-32,097.57-11,535.36

Finding the Fourth Proportional to 21,389.22, 32,097.57 and 11,535.36

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Solution

The fourth proportional to 21,389.22, 32,097.57 and 11,535.36 is: 17,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.22 : 32,097.57 = 11,535.36 : x
  2. Step 2: Convert to fraction form
    21,389.22/32,097.57 = 11,535.36/x
  3. Step 3: Cross multiply
    21,389.22x = 32,097.57 × 11,535.36
  4. Step 4: Simplify right side
    21,389.22x = 370,257,025.08
  5. Step 5: Solve for x
    x = 370,257,025.08/21,389.22
  6. Step 6: Final answer
    x = 17,310.45

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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.