Home / 14,320.80-21,460.95-7,996.86

Finding the Fourth Proportional to 14,320.80, 21,460.95 and 7,996.86

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Solution

The fourth proportional to 14,320.80, 21,460.95 and 7,996.86 is: 11,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.80 : 21,460.95 = 7,996.86 : x
  2. Step 2: Convert to fraction form
    14,320.80/21,460.95 = 7,996.86/x
  3. Step 3: Cross multiply
    14,320.80x = 21,460.95 × 7,996.86
  4. Step 4: Simplify right side
    14,320.80x = 171,620,212.62
  5. Step 5: Solve for x
    x = 171,620,212.62/14,320.80
  6. Step 6: Final answer
    x = 11,983.98

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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.