Home / 15,189.36-22,776.22-6,864.86

Finding the Fourth Proportional to 15,189.36, 22,776.22 and 6,864.86

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Solution

The fourth proportional to 15,189.36, 22,776.22 and 6,864.86 is: 10,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.36 : 22,776.22 = 6,864.86 : x
  2. Step 2: Convert to fraction form
    15,189.36/22,776.22 = 6,864.86/x
  3. Step 3: Cross multiply
    15,189.36x = 22,776.22 × 6,864.86
  4. Step 4: Simplify right side
    15,189.36x = 156,355,561.63
  5. Step 5: Solve for x
    x = 156,355,561.63/15,189.36
  6. Step 6: Final answer
    x = 10,293.76

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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.