Home / 15,020.41-20,727.33-8,305.64

Finding the Fourth Proportional to 15,020.41, 20,727.33 and 8,305.64

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Solution

The fourth proportional to 15,020.41, 20,727.33 and 8,305.64 is: 11,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.41 : 20,727.33 = 8,305.64 : x
  2. Step 2: Convert to fraction form
    15,020.41/20,727.33 = 8,305.64/x
  3. Step 3: Cross multiply
    15,020.41x = 20,727.33 × 8,305.64
  4. Step 4: Simplify right side
    15,020.41x = 172,153,741.14
  5. Step 5: Solve for x
    x = 172,153,741.14/15,020.41
  6. Step 6: Final answer
    x = 11,461.32

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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.