Home / 8,286.23-12,434.59-7,507.82

Finding the Fourth Proportional to 8,286.23, 12,434.59 and 7,507.82

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Solution

The fourth proportional to 8,286.23, 12,434.59 and 7,507.82 is: 11,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.23 : 12,434.59 = 7,507.82 : x
  2. Step 2: Convert to fraction form
    8,286.23/12,434.59 = 7,507.82/x
  3. Step 3: Cross multiply
    8,286.23x = 12,434.59 × 7,507.82
  4. Step 4: Simplify right side
    8,286.23x = 93,356,663.49
  5. Step 5: Solve for x
    x = 93,356,663.49/8,286.23
  6. Step 6: Final answer
    x = 11,266.48

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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.