Home / 36,185.24-54,279.37-9,889.90

Finding the Fourth Proportional to 36,185.24, 54,279.37 and 9,889.90

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Solution

The fourth proportional to 36,185.24, 54,279.37 and 9,889.90 is: 14,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,185.24 : 54,279.37 = 9,889.90 : x
  2. Step 2: Convert to fraction form
    36,185.24/54,279.37 = 9,889.90/x
  3. Step 3: Cross multiply
    36,185.24x = 54,279.37 × 9,889.90
  4. Step 4: Simplify right side
    36,185.24x = 536,817,541.36
  5. Step 5: Solve for x
    x = 536,817,541.36/36,185.24
  6. Step 6: Final answer
    x = 14,835.26

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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.