Home / 10,969.89-15,137.53-6,492.86

Finding the Fourth Proportional to 10,969.89, 15,137.53 and 6,492.86

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Solution

The fourth proportional to 10,969.89, 15,137.53 and 6,492.86 is: 8,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.89 : 15,137.53 = 6,492.86 : x
  2. Step 2: Convert to fraction form
    10,969.89/15,137.53 = 6,492.86/x
  3. Step 3: Cross multiply
    10,969.89x = 15,137.53 × 6,492.86
  4. Step 4: Simplify right side
    10,969.89x = 98,285,863.04
  5. Step 5: Solve for x
    x = 98,285,863.04/10,969.89
  6. Step 6: Final answer
    x = 8,959.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.