Home / 14,288.48-19,720.52-8,323.70

Finding the Fourth Proportional to 14,288.48, 19,720.52 and 8,323.70

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Solution

The fourth proportional to 14,288.48, 19,720.52 and 8,323.70 is: 11,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.48 : 19,720.52 = 8,323.70 : x
  2. Step 2: Convert to fraction form
    14,288.48/19,720.52 = 8,323.70/x
  3. Step 3: Cross multiply
    14,288.48x = 19,720.52 × 8,323.70
  4. Step 4: Simplify right side
    14,288.48x = 164,147,692.32
  5. Step 5: Solve for x
    x = 164,147,692.32/14,288.48
  6. Step 6: Final answer
    x = 11,488.11

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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.