Home / 8,930.76-13,426.56-7,299.12

Finding the Fourth Proportional to 8,930.76, 13,426.56 and 7,299.12

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Solution

The fourth proportional to 8,930.76, 13,426.56 and 7,299.12 is: 10,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.76 : 13,426.56 = 7,299.12 : x
  2. Step 2: Convert to fraction form
    8,930.76/13,426.56 = 7,299.12/x
  3. Step 3: Cross multiply
    8,930.76x = 13,426.56 × 7,299.12
  4. Step 4: Simplify right side
    8,930.76x = 98,002,072.63
  5. Step 5: Solve for x
    x = 98,002,072.63/8,930.76
  6. Step 6: Final answer
    x = 10,973.54

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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.