Home / 13,663.16-18,855.41-8,001.26

Finding the Fourth Proportional to 13,663.16, 18,855.41 and 8,001.26

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Solution

The fourth proportional to 13,663.16, 18,855.41 and 8,001.26 is: 11,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.16 : 18,855.41 = 8,001.26 : x
  2. Step 2: Convert to fraction form
    13,663.16/18,855.41 = 8,001.26/x
  3. Step 3: Cross multiply
    13,663.16x = 18,855.41 × 8,001.26
  4. Step 4: Simplify right side
    13,663.16x = 150,866,903.53
  5. Step 5: Solve for x
    x = 150,866,903.53/13,663.16
  6. Step 6: Final answer
    x = 11,041.88

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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.