Home / 10,162.77-15,242.58-3,921.87

Finding the Fourth Proportional to 10,162.77, 15,242.58 and 3,921.87

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Solution

The fourth proportional to 10,162.77, 15,242.58 and 3,921.87 is: 5,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.77 : 15,242.58 = 3,921.87 : x
  2. Step 2: Convert to fraction form
    10,162.77/15,242.58 = 3,921.87/x
  3. Step 3: Cross multiply
    10,162.77x = 15,242.58 × 3,921.87
  4. Step 4: Simplify right side
    10,162.77x = 59,779,417.22
  5. Step 5: Solve for x
    x = 59,779,417.22/10,162.77
  6. Step 6: Final answer
    x = 5,882.20

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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.