Home / 14,285.13-21,441.55-6,894.79

Finding the Fourth Proportional to 14,285.13, 21,441.55 and 6,894.79

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Solution

The fourth proportional to 14,285.13, 21,441.55 and 6,894.79 is: 10,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.13 : 21,441.55 = 6,894.79 : x
  2. Step 2: Convert to fraction form
    14,285.13/21,441.55 = 6,894.79/x
  3. Step 3: Cross multiply
    14,285.13x = 21,441.55 × 6,894.79
  4. Step 4: Simplify right side
    14,285.13x = 147,834,913.68
  5. Step 5: Solve for x
    x = 147,834,913.68/14,285.13
  6. Step 6: Final answer
    x = 10,348.87

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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.