Home / 10,834.10-14,953.77-6,121.11

Finding the Fourth Proportional to 10,834.10, 14,953.77 and 6,121.11

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Solution

The fourth proportional to 10,834.10, 14,953.77 and 6,121.11 is: 8,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.10 : 14,953.77 = 6,121.11 : x
  2. Step 2: Convert to fraction form
    10,834.10/14,953.77 = 6,121.11/x
  3. Step 3: Cross multiply
    10,834.10x = 14,953.77 × 6,121.11
  4. Step 4: Simplify right side
    10,834.10x = 91,533,671.08
  5. Step 5: Solve for x
    x = 91,533,671.08/10,834.10
  6. Step 6: Final answer
    x = 8,448.67

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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.