Home / 13,887.44-20,830.68-5,565.22

Finding the Fourth Proportional to 13,887.44, 20,830.68 and 5,565.22

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Solution

The fourth proportional to 13,887.44, 20,830.68 and 5,565.22 is: 8,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.44 : 20,830.68 = 5,565.22 : x
  2. Step 2: Convert to fraction form
    13,887.44/20,830.68 = 5,565.22/x
  3. Step 3: Cross multiply
    13,887.44x = 20,830.68 × 5,565.22
  4. Step 4: Simplify right side
    13,887.44x = 115,927,264.87
  5. Step 5: Solve for x
    x = 115,927,264.87/13,887.44
  6. Step 6: Final answer
    x = 8,347.63

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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.