Home / 14,410.38-19,887.86-8,447.06

Finding the Fourth Proportional to 14,410.38, 19,887.86 and 8,447.06

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Solution

The fourth proportional to 14,410.38, 19,887.86 and 8,447.06 is: 11,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.38 : 19,887.86 = 8,447.06 : x
  2. Step 2: Convert to fraction form
    14,410.38/19,887.86 = 8,447.06/x
  3. Step 3: Cross multiply
    14,410.38x = 19,887.86 × 8,447.06
  4. Step 4: Simplify right side
    14,410.38x = 167,993,946.69
  5. Step 5: Solve for x
    x = 167,993,946.69/14,410.38
  6. Step 6: Final answer
    x = 11,657.84

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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.