Home / 15,116.09-20,867.64-11,595.02

Finding the Fourth Proportional to 15,116.09, 20,867.64 and 11,595.02

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Solution

The fourth proportional to 15,116.09, 20,867.64 and 11,595.02 is: 16,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116.09 : 20,867.64 = 11,595.02 : x
  2. Step 2: Convert to fraction form
    15,116.09/20,867.64 = 11,595.02/x
  3. Step 3: Cross multiply
    15,116.09x = 20,867.64 × 11,595.02
  4. Step 4: Simplify right side
    15,116.09x = 241,960,703.15
  5. Step 5: Solve for x
    x = 241,960,703.15/15,116.09
  6. Step 6: Final answer
    x = 16,006.83

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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.