Home / 10,427.36-15,631.32-3,497

Finding the Fourth Proportional to 10,427.36, 15,631.32 and 3,497

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Solution

The fourth proportional to 10,427.36, 15,631.32 and 3,497 is: 5,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.36 : 15,631.32 = 3,497 : x
  2. Step 2: Convert to fraction form
    10,427.36/15,631.32 = 3,497/x
  3. Step 3: Cross multiply
    10,427.36x = 15,631.32 × 3,497
  4. Step 4: Simplify right side
    10,427.36x = 54,662,726.04
  5. Step 5: Solve for x
    x = 54,662,726.04/10,427.36
  6. Step 6: Final answer
    x = 5,242.24

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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.