Home / 10,318.10-14,206.60-9,105.54

Finding the Fourth Proportional to 10,318.10, 14,206.60 and 9,105.54

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Solution

The fourth proportional to 10,318.10, 14,206.60 and 9,105.54 is: 12,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.10 : 14,206.60 = 9,105.54 : x
  2. Step 2: Convert to fraction form
    10,318.10/14,206.60 = 9,105.54/x
  3. Step 3: Cross multiply
    10,318.10x = 14,206.60 × 9,105.54
  4. Step 4: Simplify right side
    10,318.10x = 129,358,764.56
  5. Step 5: Solve for x
    x = 129,358,764.56/10,318.10
  6. Step 6: Final answer
    x = 12,537.07

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1.5x scale

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.