Home / 11,330.43-15,631.63-8,353.35

Finding the Fourth Proportional to 11,330.43, 15,631.63 and 8,353.35

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Solution

The fourth proportional to 11,330.43, 15,631.63 and 8,353.35 is: 11,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.43 : 15,631.63 = 8,353.35 : x
  2. Step 2: Convert to fraction form
    11,330.43/15,631.63 = 8,353.35/x
  3. Step 3: Cross multiply
    11,330.43x = 15,631.63 × 8,353.35
  4. Step 4: Simplify right side
    11,330.43x = 130,576,476.46
  5. Step 5: Solve for x
    x = 130,576,476.46/11,330.43
  6. Step 6: Final answer
    x = 11,524.41

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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.