Home / 14,311.32-19,749.61-8,023.70

Finding the Fourth Proportional to 14,311.32, 19,749.61 and 8,023.70

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Solution

The fourth proportional to 14,311.32, 19,749.61 and 8,023.70 is: 11,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.32 : 19,749.61 = 8,023.70 : x
  2. Step 2: Convert to fraction form
    14,311.32/19,749.61 = 8,023.70/x
  3. Step 3: Cross multiply
    14,311.32x = 19,749.61 × 8,023.70
  4. Step 4: Simplify right side
    14,311.32x = 158,464,945.76
  5. Step 5: Solve for x
    x = 158,464,945.76/14,311.32
  6. Step 6: Final answer
    x = 11,072.70

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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.