Home / 20,294.93-28,009.64-11,344.29

Finding the Fourth Proportional to 20,294.93, 28,009.64 and 11,344.29

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Solution

The fourth proportional to 20,294.93, 28,009.64 and 11,344.29 is: 15,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.93 : 28,009.64 = 11,344.29 : x
  2. Step 2: Convert to fraction form
    20,294.93/28,009.64 = 11,344.29/x
  3. Step 3: Cross multiply
    20,294.93x = 28,009.64 × 11,344.29
  4. Step 4: Simplify right side
    20,294.93x = 317,749,422.23
  5. Step 5: Solve for x
    x = 317,749,422.23/20,294.93
  6. Step 6: Final answer
    x = 15,656.60

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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.