Home / 13,827.02-20,738.49-6,805.17

Finding the Fourth Proportional to 13,827.02, 20,738.49 and 6,805.17

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Solution

The fourth proportional to 13,827.02, 20,738.49 and 6,805.17 is: 10,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.02 : 20,738.49 = 6,805.17 : x
  2. Step 2: Convert to fraction form
    13,827.02/20,738.49 = 6,805.17/x
  3. Step 3: Cross multiply
    13,827.02x = 20,738.49 × 6,805.17
  4. Step 4: Simplify right side
    13,827.02x = 141,128,949.99
  5. Step 5: Solve for x
    x = 141,128,949.99/13,827.02
  6. Step 6: Final answer
    x = 10,206.75

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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.