Home / 15,210.96-22,816.50-4,680.91

Finding the Fourth Proportional to 15,210.96, 22,816.50 and 4,680.91

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Solution

The fourth proportional to 15,210.96, 22,816.50 and 4,680.91 is: 7,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.96 : 22,816.50 = 4,680.91 : x
  2. Step 2: Convert to fraction form
    15,210.96/22,816.50 = 4,680.91/x
  3. Step 3: Cross multiply
    15,210.96x = 22,816.50 × 4,680.91
  4. Step 4: Simplify right side
    15,210.96x = 106,801,983.02
  5. Step 5: Solve for x
    x = 106,801,983.02/15,210.96
  6. Step 6: Final answer
    x = 7,021.38

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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.