Home / 10,289.43-15,433.29-6,341.31

Finding the Fourth Proportional to 10,289.43, 15,433.29 and 6,341.31

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Solution

The fourth proportional to 10,289.43, 15,433.29 and 6,341.31 is: 9,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.43 : 15,433.29 = 6,341.31 : x
  2. Step 2: Convert to fraction form
    10,289.43/15,433.29 = 6,341.31/x
  3. Step 3: Cross multiply
    10,289.43x = 15,433.29 × 6,341.31
  4. Step 4: Simplify right side
    10,289.43x = 97,867,276.21
  5. Step 5: Solve for x
    x = 97,867,276.21/10,289.43
  6. Step 6: Final answer
    x = 9,511.44

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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.