Home / 15,200.32-22,800.48-4,812.08

Finding the Fourth Proportional to 15,200.32, 22,800.48 and 4,812.08

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Solution

The fourth proportional to 15,200.32, 22,800.48 and 4,812.08 is: 7,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.32 : 22,800.48 = 4,812.08 : x
  2. Step 2: Convert to fraction form
    15,200.32/22,800.48 = 4,812.08/x
  3. Step 3: Cross multiply
    15,200.32x = 22,800.48 × 4,812.08
  4. Step 4: Simplify right side
    15,200.32x = 109,717,733.80
  5. Step 5: Solve for x
    x = 109,717,733.80/15,200.32
  6. Step 6: Final answer
    x = 7,218.12

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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.