Home / 11,330.40-15,628.20-6,846.36

Finding the Fourth Proportional to 11,330.40, 15,628.20 and 6,846.36

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Solution

The fourth proportional to 11,330.40, 15,628.20 and 6,846.36 is: 9,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.40 : 15,628.20 = 6,846.36 : x
  2. Step 2: Convert to fraction form
    11,330.40/15,628.20 = 6,846.36/x
  3. Step 3: Cross multiply
    11,330.40x = 15,628.20 × 6,846.36
  4. Step 4: Simplify right side
    11,330.40x = 106,996,283.35
  5. Step 5: Solve for x
    x = 106,996,283.35/11,330.40
  6. Step 6: Final answer
    x = 9,443.29

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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.