Home / 13,917.60-19,191.24-9,937.08

Finding the Fourth Proportional to 13,917.60, 19,191.24 and 9,937.08

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Solution

The fourth proportional to 13,917.60, 19,191.24 and 9,937.08 is: 13,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.60 : 19,191.24 = 9,937.08 : x
  2. Step 2: Convert to fraction form
    13,917.60/19,191.24 = 9,937.08/x
  3. Step 3: Cross multiply
    13,917.60x = 19,191.24 × 9,937.08
  4. Step 4: Simplify right side
    13,917.60x = 190,704,887.18
  5. Step 5: Solve for x
    x = 190,704,887.18/13,917.60
  6. Step 6: Final answer
    x = 13,702.43

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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.