Home / 10,243.08-15,368.58-8,286.96

Finding the Fourth Proportional to 10,243.08, 15,368.58 and 8,286.96

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Solution

The fourth proportional to 10,243.08, 15,368.58 and 8,286.96 is: 12,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.08 : 15,368.58 = 8,286.96 : x
  2. Step 2: Convert to fraction form
    10,243.08/15,368.58 = 8,286.96/x
  3. Step 3: Cross multiply
    10,243.08x = 15,368.58 × 8,286.96
  4. Step 4: Simplify right side
    10,243.08x = 127,358,807.72
  5. Step 5: Solve for x
    x = 127,358,807.72/10,243.08
  6. Step 6: Final answer
    x = 12,433.64

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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.