Home / 10,431.30-15,649.27-3,036.34

Finding the Fourth Proportional to 10,431.30, 15,649.27 and 3,036.34

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Solution

The fourth proportional to 10,431.30, 15,649.27 and 3,036.34 is: 4,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.30 : 15,649.27 = 3,036.34 : x
  2. Step 2: Convert to fraction form
    10,431.30/15,649.27 = 3,036.34/x
  3. Step 3: Cross multiply
    10,431.30x = 15,649.27 × 3,036.34
  4. Step 4: Simplify right side
    10,431.30x = 47,516,504.47
  5. Step 5: Solve for x
    x = 47,516,504.47/10,431.30
  6. Step 6: Final answer
    x = 4,555.19

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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.