Home / 13,764.24-18,995.04-8,099.40

Finding the Fourth Proportional to 13,764.24, 18,995.04 and 8,099.40

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Solution

The fourth proportional to 13,764.24, 18,995.04 and 8,099.40 is: 11,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.24 : 18,995.04 = 8,099.40 : x
  2. Step 2: Convert to fraction form
    13,764.24/18,995.04 = 8,099.40/x
  3. Step 3: Cross multiply
    13,764.24x = 18,995.04 × 8,099.40
  4. Step 4: Simplify right side
    13,764.24x = 153,848,426.98
  5. Step 5: Solve for x
    x = 153,848,426.98/13,764.24
  6. Step 6: Final answer
    x = 11,177.40

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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.