Home / 10,211.50-15,320.90-5,021.02

Finding the Fourth Proportional to 10,211.50, 15,320.90 and 5,021.02

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Solution

The fourth proportional to 10,211.50, 15,320.90 and 5,021.02 is: 7,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.50 : 15,320.90 = 5,021.02 : x
  2. Step 2: Convert to fraction form
    10,211.50/15,320.90 = 5,021.02/x
  3. Step 3: Cross multiply
    10,211.50x = 15,320.90 × 5,021.02
  4. Step 4: Simplify right side
    10,211.50x = 76,926,545.32
  5. Step 5: Solve for x
    x = 76,926,545.32/10,211.50
  6. Step 6: Final answer
    x = 7,533.32

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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.