Home / 15,210.18-22,817.70-4,819.50

Finding the Fourth Proportional to 15,210.18, 22,817.70 and 4,819.50

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Solution

The fourth proportional to 15,210.18, 22,817.70 and 4,819.50 is: 7,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.18 : 22,817.70 = 4,819.50 : x
  2. Step 2: Convert to fraction form
    15,210.18/22,817.70 = 4,819.50/x
  3. Step 3: Cross multiply
    15,210.18x = 22,817.70 × 4,819.50
  4. Step 4: Simplify right side
    15,210.18x = 109,969,905.15
  5. Step 5: Solve for x
    x = 109,969,905.15/15,210.18
  6. Step 6: Final answer
    x = 7,230.02

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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.