Home / 13,397.15-20,079.93-4,627.28

Finding the Fourth Proportional to 13,397.15, 20,079.93 and 4,627.28

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Solution

The fourth proportional to 13,397.15, 20,079.93 and 4,627.28 is: 6,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.15 : 20,079.93 = 4,627.28 : x
  2. Step 2: Convert to fraction form
    13,397.15/20,079.93 = 4,627.28/x
  3. Step 3: Cross multiply
    13,397.15x = 20,079.93 × 4,627.28
  4. Step 4: Simplify right side
    13,397.15x = 92,915,458.49
  5. Step 5: Solve for x
    x = 92,915,458.49/13,397.15
  6. Step 6: Final answer
    x = 6,935.46

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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.