Home / 10,411.88-15,619.44-3,390.23

Finding the Fourth Proportional to 10,411.88, 15,619.44 and 3,390.23

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Solution

The fourth proportional to 10,411.88, 15,619.44 and 3,390.23 is: 5,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.88 : 15,619.44 = 3,390.23 : x
  2. Step 2: Convert to fraction form
    10,411.88/15,619.44 = 3,390.23/x
  3. Step 3: Cross multiply
    10,411.88x = 15,619.44 × 3,390.23
  4. Step 4: Simplify right side
    10,411.88x = 52,953,526.76
  5. Step 5: Solve for x
    x = 52,953,526.76/10,411.88
  6. Step 6: Final answer
    x = 5,085.88

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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.