Home / 14,117.27-21,176.81-3,728.75

Finding the Fourth Proportional to 14,117.27, 21,176.81 and 3,728.75

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Solution

The fourth proportional to 14,117.27, 21,176.81 and 3,728.75 is: 5,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.27 : 21,176.81 = 3,728.75 : x
  2. Step 2: Convert to fraction form
    14,117.27/21,176.81 = 3,728.75/x
  3. Step 3: Cross multiply
    14,117.27x = 21,176.81 × 3,728.75
  4. Step 4: Simplify right side
    14,117.27x = 78,963,030.29
  5. Step 5: Solve for x
    x = 78,963,030.29/14,117.27
  6. Step 6: Final answer
    x = 5,593.36

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1.5x scale

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.