Home / 9,279.10-13,969.24-8,462.62

Finding the Fourth Proportional to 9,279.10, 13,969.24 and 8,462.62

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Solution

The fourth proportional to 9,279.10, 13,969.24 and 8,462.62 is: 12,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.10 : 13,969.24 = 8,462.62 : x
  2. Step 2: Convert to fraction form
    9,279.10/13,969.24 = 8,462.62/x
  3. Step 3: Cross multiply
    9,279.10x = 13,969.24 × 8,462.62
  4. Step 4: Simplify right side
    9,279.10x = 118,216,369.81
  5. Step 5: Solve for x
    x = 118,216,369.81/9,279.10
  6. Step 6: Final answer
    x = 12,740.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.