Home / 10,317.50-15,476.34-3,392

Finding the Fourth Proportional to 10,317.50, 15,476.34 and 3,392

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Solution

The fourth proportional to 10,317.50, 15,476.34 and 3,392 is: 5,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.50 : 15,476.34 = 3,392 : x
  2. Step 2: Convert to fraction form
    10,317.50/15,476.34 = 3,392/x
  3. Step 3: Cross multiply
    10,317.50x = 15,476.34 × 3,392
  4. Step 4: Simplify right side
    10,317.50x = 52,495,745.28
  5. Step 5: Solve for x
    x = 52,495,745.28/10,317.50
  6. Step 6: Final answer
    x = 5,088.03

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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.