Home / 14,309.19-21,463.38-3,920.94

Finding the Fourth Proportional to 14,309.19, 21,463.38 and 3,920.94

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Solution

The fourth proportional to 14,309.19, 21,463.38 and 3,920.94 is: 5,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.19 : 21,463.38 = 3,920.94 : x
  2. Step 2: Convert to fraction form
    14,309.19/21,463.38 = 3,920.94/x
  3. Step 3: Cross multiply
    14,309.19x = 21,463.38 × 3,920.94
  4. Step 4: Simplify right side
    14,309.19x = 84,156,625.18
  5. Step 5: Solve for x
    x = 84,156,625.18/14,309.19
  6. Step 6: Final answer
    x = 5,881.30

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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.