Home / 21,396.87-32,068.58-10,301.49

Finding the Fourth Proportional to 21,396.87, 32,068.58 and 10,301.49

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Solution

The fourth proportional to 21,396.87, 32,068.58 and 10,301.49 is: 15,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.87 : 32,068.58 = 10,301.49 : x
  2. Step 2: Convert to fraction form
    21,396.87/32,068.58 = 10,301.49/x
  3. Step 3: Cross multiply
    21,396.87x = 32,068.58 × 10,301.49
  4. Step 4: Simplify right side
    21,396.87x = 330,354,104.68
  5. Step 5: Solve for x
    x = 330,354,104.68/21,396.87
  6. Step 6: Final answer
    x = 15,439.37

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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.