Home / 10,021.56-15,010.50-5,636.76

Finding the Fourth Proportional to 10,021.56, 15,010.50 and 5,636.76

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Solution

The fourth proportional to 10,021.56, 15,010.50 and 5,636.76 is: 8,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.56 : 15,010.50 = 5,636.76 : x
  2. Step 2: Convert to fraction form
    10,021.56/15,010.50 = 5,636.76/x
  3. Step 3: Cross multiply
    10,021.56x = 15,010.50 × 5,636.76
  4. Step 4: Simplify right side
    10,021.56x = 84,610,585.98
  5. Step 5: Solve for x
    x = 84,610,585.98/10,021.56
  6. Step 6: Final answer
    x = 8,442.86

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1.5x scale

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.