Home / 11,330.40-16,995.62-4,308.76

Finding the Fourth Proportional to 11,330.40, 16,995.62 and 4,308.76

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Solution

The fourth proportional to 11,330.40, 16,995.62 and 4,308.76 is: 6,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.40 : 16,995.62 = 4,308.76 : x
  2. Step 2: Convert to fraction form
    11,330.40/16,995.62 = 4,308.76/x
  3. Step 3: Cross multiply
    11,330.40x = 16,995.62 × 4,308.76
  4. Step 4: Simplify right side
    11,330.40x = 73,230,047.63
  5. Step 5: Solve for x
    x = 73,230,047.63/11,330.40
  6. Step 6: Final answer
    x = 6,463.15

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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.