Home / 15,923.86-21,901.86-12,773.14

Finding the Fourth Proportional to 15,923.86, 21,901.86 and 12,773.14

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Solution

The fourth proportional to 15,923.86, 21,901.86 and 12,773.14 is: 17,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.86 : 21,901.86 = 12,773.14 : x
  2. Step 2: Convert to fraction form
    15,923.86/21,901.86 = 12,773.14/x
  3. Step 3: Cross multiply
    15,923.86x = 21,901.86 × 12,773.14
  4. Step 4: Simplify right side
    15,923.86x = 279,755,524.04
  5. Step 5: Solve for x
    x = 279,755,524.04/15,923.86
  6. Step 6: Final answer
    x = 17,568.32

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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.