Home / 21,904.50-32,859.99-10,211.34

Finding the Fourth Proportional to 21,904.50, 32,859.99 and 10,211.34

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Solution

The fourth proportional to 21,904.50, 32,859.99 and 10,211.34 is: 15,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.50 : 32,859.99 = 10,211.34 : x
  2. Step 2: Convert to fraction form
    21,904.50/32,859.99 = 10,211.34/x
  3. Step 3: Cross multiply
    21,904.50x = 32,859.99 × 10,211.34
  4. Step 4: Simplify right side
    21,904.50x = 335,544,530.29
  5. Step 5: Solve for x
    x = 335,544,530.29/21,904.50
  6. Step 6: Final answer
    x = 15,318.52

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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.