Home / 14,223.13-21,330.74-4,356.92

Finding the Fourth Proportional to 14,223.13, 21,330.74 and 4,356.92

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Solution

The fourth proportional to 14,223.13, 21,330.74 and 4,356.92 is: 6,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.13 : 21,330.74 = 4,356.92 : x
  2. Step 2: Convert to fraction form
    14,223.13/21,330.74 = 4,356.92/x
  3. Step 3: Cross multiply
    14,223.13x = 21,330.74 × 4,356.92
  4. Step 4: Simplify right side
    14,223.13x = 92,936,391.94
  5. Step 5: Solve for x
    x = 92,936,391.94/14,223.13
  6. Step 6: Final answer
    x = 6,534.17

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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.