Home / 20,734.26-28,614.15-11,303.34

Finding the Fourth Proportional to 20,734.26, 28,614.15 and 11,303.34

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Solution

The fourth proportional to 20,734.26, 28,614.15 and 11,303.34 is: 15,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.26 : 28,614.15 = 11,303.34 : x
  2. Step 2: Convert to fraction form
    20,734.26/28,614.15 = 11,303.34/x
  3. Step 3: Cross multiply
    20,734.26x = 28,614.15 × 11,303.34
  4. Step 4: Simplify right side
    20,734.26x = 323,435,466.26
  5. Step 5: Solve for x
    x = 323,435,466.26/20,734.26
  6. Step 6: Final answer
    x = 15,599.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.