Home / 20,293.63-28,005.12-11,341.13

Finding the Fourth Proportional to 20,293.63, 28,005.12 and 11,341.13

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Solution

The fourth proportional to 20,293.63, 28,005.12 and 11,341.13 is: 15,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.63 : 28,005.12 = 11,341.13 : x
  2. Step 2: Convert to fraction form
    20,293.63/28,005.12 = 11,341.13/x
  3. Step 3: Cross multiply
    20,293.63x = 28,005.12 × 11,341.13
  4. Step 4: Simplify right side
    20,293.63x = 317,609,706.59
  5. Step 5: Solve for x
    x = 317,609,706.59/20,293.63
  6. Step 6: Final answer
    x = 15,650.71

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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.