Home / 14,415.19-19,887.24-8,747.86

Finding the Fourth Proportional to 14,415.19, 19,887.24 and 8,747.86

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Solution

The fourth proportional to 14,415.19, 19,887.24 and 8,747.86 is: 12,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.19 : 19,887.24 = 8,747.86 : x
  2. Step 2: Convert to fraction form
    14,415.19/19,887.24 = 8,747.86/x
  3. Step 3: Cross multiply
    14,415.19x = 19,887.24 × 8,747.86
  4. Step 4: Simplify right side
    14,415.19x = 173,970,791.31
  5. Step 5: Solve for x
    x = 173,970,791.31/14,415.19
  6. Step 6: Final answer
    x = 12,068.57

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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.