Home / 13,587.44-20,389.81-6,192.64

Finding the Fourth Proportional to 13,587.44, 20,389.81 and 6,192.64

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Solution

The fourth proportional to 13,587.44, 20,389.81 and 6,192.64 is: 9,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.44 : 20,389.81 = 6,192.64 : x
  2. Step 2: Convert to fraction form
    13,587.44/20,389.81 = 6,192.64/x
  3. Step 3: Cross multiply
    13,587.44x = 20,389.81 × 6,192.64
  4. Step 4: Simplify right side
    13,587.44x = 126,266,753.00
  5. Step 5: Solve for x
    x = 126,266,753.00/13,587.44
  6. Step 6: Final answer
    x = 9,292.91

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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.