Home / 13,946.96-20,919.38-4,587.28

Finding the Fourth Proportional to 13,946.96, 20,919.38 and 4,587.28

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Solution

The fourth proportional to 13,946.96, 20,919.38 and 4,587.28 is: 6,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.96 : 20,919.38 = 4,587.28 : x
  2. Step 2: Convert to fraction form
    13,946.96/20,919.38 = 4,587.28/x
  3. Step 3: Cross multiply
    13,946.96x = 20,919.38 × 4,587.28
  4. Step 4: Simplify right side
    13,946.96x = 95,963,030.55
  5. Step 5: Solve for x
    x = 95,963,030.55/13,946.96
  6. Step 6: Final answer
    x = 6,880.57

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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.