Home / 13,360.38-19,941.89-11,784.49

Finding the Fourth Proportional to 13,360.38, 19,941.89 and 11,784.49

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Solution

The fourth proportional to 13,360.38, 19,941.89 and 11,784.49 is: 17,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.38 : 19,941.89 = 11,784.49 : x
  2. Step 2: Convert to fraction form
    13,360.38/19,941.89 = 11,784.49/x
  3. Step 3: Cross multiply
    13,360.38x = 19,941.89 × 11,784.49
  4. Step 4: Simplify right side
    13,360.38x = 235,005,003.29
  5. Step 5: Solve for x
    x = 235,005,003.29/13,360.38
  6. Step 6: Final answer
    x = 17,589.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.