Home / 15,211.13-22,817.72-4,680.50

Finding the Fourth Proportional to 15,211.13, 22,817.72 and 4,680.50

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Solution

The fourth proportional to 15,211.13, 22,817.72 and 4,680.50 is: 7,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.13 : 22,817.72 = 4,680.50 : x
  2. Step 2: Convert to fraction form
    15,211.13/22,817.72 = 4,680.50/x
  3. Step 3: Cross multiply
    15,211.13x = 22,817.72 × 4,680.50
  4. Step 4: Simplify right side
    15,211.13x = 106,798,236.07
  5. Step 5: Solve for x
    x = 106,798,236.07/15,211.13
  6. Step 6: Final answer
    x = 7,021.06

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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.