Home / 14,233.94-21,363.93-7,218.79

Finding the Fourth Proportional to 14,233.94, 21,363.93 and 7,218.79

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Solution

The fourth proportional to 14,233.94, 21,363.93 and 7,218.79 is: 10,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.94 : 21,363.93 = 7,218.79 : x
  2. Step 2: Convert to fraction form
    14,233.94/21,363.93 = 7,218.79/x
  3. Step 3: Cross multiply
    14,233.94x = 21,363.93 × 7,218.79
  4. Step 4: Simplify right side
    14,233.94x = 154,221,724.24
  5. Step 5: Solve for x
    x = 154,221,724.24/14,233.94
  6. Step 6: Final answer
    x = 10,834.79

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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.