Home / 13,310.70-18,374.67-8,597.28

Finding the Fourth Proportional to 13,310.70, 18,374.67 and 8,597.28

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Solution

The fourth proportional to 13,310.70, 18,374.67 and 8,597.28 is: 11,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.70 : 18,374.67 = 8,597.28 : x
  2. Step 2: Convert to fraction form
    13,310.70/18,374.67 = 8,597.28/x
  3. Step 3: Cross multiply
    13,310.70x = 18,374.67 × 8,597.28
  4. Step 4: Simplify right side
    13,310.70x = 157,972,182.90
  5. Step 5: Solve for x
    x = 157,972,182.90/13,310.70
  6. Step 6: Final answer
    x = 11,868.06

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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.