Home / 15,902.94-21,946.59-8,828.70

Finding the Fourth Proportional to 15,902.94, 21,946.59 and 8,828.70

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Solution

The fourth proportional to 15,902.94, 21,946.59 and 8,828.70 is: 12,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.94 : 21,946.59 = 8,828.70 : x
  2. Step 2: Convert to fraction form
    15,902.94/21,946.59 = 8,828.70/x
  3. Step 3: Cross multiply
    15,902.94x = 21,946.59 × 8,828.70
  4. Step 4: Simplify right side
    15,902.94x = 193,759,859.13
  5. Step 5: Solve for x
    x = 193,759,859.13/15,902.94
  6. Step 6: Final answer
    x = 12,183.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.