Home / 14,187.72-21,280.98-5,865.48

Finding the Fourth Proportional to 14,187.72, 21,280.98 and 5,865.48

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Solution

The fourth proportional to 14,187.72, 21,280.98 and 5,865.48 is: 8,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.72 : 21,280.98 = 5,865.48 : x
  2. Step 2: Convert to fraction form
    14,187.72/21,280.98 = 5,865.48/x
  3. Step 3: Cross multiply
    14,187.72x = 21,280.98 × 5,865.48
  4. Step 4: Simplify right side
    14,187.72x = 124,823,162.57
  5. Step 5: Solve for x
    x = 124,823,162.57/14,187.72
  6. Step 6: Final answer
    x = 8,797.97

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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.