Home / 10,157.23-15,237.30-3,137.83

Finding the Fourth Proportional to 10,157.23, 15,237.30 and 3,137.83

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Solution

The fourth proportional to 10,157.23, 15,237.30 and 3,137.83 is: 4,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.23 : 15,237.30 = 3,137.83 : x
  2. Step 2: Convert to fraction form
    10,157.23/15,237.30 = 3,137.83/x
  3. Step 3: Cross multiply
    10,157.23x = 15,237.30 × 3,137.83
  4. Step 4: Simplify right side
    10,157.23x = 47,812,057.06
  5. Step 5: Solve for x
    x = 47,812,057.06/10,157.23
  6. Step 6: Final answer
    x = 4,707.19

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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.