Home / 11,816.10-16,308.45-7,341.66

Finding the Fourth Proportional to 11,816.10, 16,308.45 and 7,341.66

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Solution

The fourth proportional to 11,816.10, 16,308.45 and 7,341.66 is: 10,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.10 : 16,308.45 = 7,341.66 : x
  2. Step 2: Convert to fraction form
    11,816.10/16,308.45 = 7,341.66/x
  3. Step 3: Cross multiply
    11,816.10x = 16,308.45 × 7,341.66
  4. Step 4: Simplify right side
    11,816.10x = 119,731,095.03
  5. Step 5: Solve for x
    x = 119,731,095.03/11,816.10
  6. Step 6: Final answer
    x = 10,132.88

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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.