Home / 10,511.10-15,741.81-8,837.10

Finding the Fourth Proportional to 10,511.10, 15,741.81 and 8,837.10

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Solution

The fourth proportional to 10,511.10, 15,741.81 and 8,837.10 is: 13,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.10 : 15,741.81 = 8,837.10 : x
  2. Step 2: Convert to fraction form
    10,511.10/15,741.81 = 8,837.10/x
  3. Step 3: Cross multiply
    10,511.10x = 15,741.81 × 8,837.10
  4. Step 4: Simplify right side
    10,511.10x = 139,111,949.15
  5. Step 5: Solve for x
    x = 139,111,949.15/10,511.10
  6. Step 6: Final answer
    x = 13,234.77

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1.5x scale

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.