Home / 15,019.38-20,727.53-8,646.93

Finding the Fourth Proportional to 15,019.38, 20,727.53 and 8,646.93

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Solution

The fourth proportional to 15,019.38, 20,727.53 and 8,646.93 is: 11,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.38 : 20,727.53 = 8,646.93 : x
  2. Step 2: Convert to fraction form
    15,019.38/20,727.53 = 8,646.93/x
  3. Step 3: Cross multiply
    15,019.38x = 20,727.53 × 8,646.93
  4. Step 4: Simplify right side
    15,019.38x = 179,229,500.98
  5. Step 5: Solve for x
    x = 179,229,500.98/15,019.38
  6. Step 6: Final answer
    x = 11,933.22

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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.