Home / 13,118.67-18,069.21-10,873.35

Finding the Fourth Proportional to 13,118.67, 18,069.21 and 10,873.35

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Solution

The fourth proportional to 13,118.67, 18,069.21 and 10,873.35 is: 14,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.67 : 18,069.21 = 10,873.35 : x
  2. Step 2: Convert to fraction form
    13,118.67/18,069.21 = 10,873.35/x
  3. Step 3: Cross multiply
    13,118.67x = 18,069.21 × 10,873.35
  4. Step 4: Simplify right side
    13,118.67x = 196,472,844.55
  5. Step 5: Solve for x
    x = 196,472,844.55/13,118.67
  6. Step 6: Final answer
    x = 14,976.58

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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.