Home / 14,050.92-21,079.46-5,285.84

Finding the Fourth Proportional to 14,050.92, 21,079.46 and 5,285.84

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Solution

The fourth proportional to 14,050.92, 21,079.46 and 5,285.84 is: 7,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.92 : 21,079.46 = 5,285.84 : x
  2. Step 2: Convert to fraction form
    14,050.92/21,079.46 = 5,285.84/x
  3. Step 3: Cross multiply
    14,050.92x = 21,079.46 × 5,285.84
  4. Step 4: Simplify right side
    14,050.92x = 111,422,521.02
  5. Step 5: Solve for x
    x = 111,422,521.02/14,050.92
  6. Step 6: Final answer
    x = 7,929.91

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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.