Home / 14,347.83-19,791.07-9,863.79

Finding the Fourth Proportional to 14,347.83, 19,791.07 and 9,863.79

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Solution

The fourth proportional to 14,347.83, 19,791.07 and 9,863.79 is: 13,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.83 : 19,791.07 = 9,863.79 : x
  2. Step 2: Convert to fraction form
    14,347.83/19,791.07 = 9,863.79/x
  3. Step 3: Cross multiply
    14,347.83x = 19,791.07 × 9,863.79
  4. Step 4: Simplify right side
    14,347.83x = 195,215,026.47
  5. Step 5: Solve for x
    x = 195,215,026.47/14,347.83
  6. Step 6: Final answer
    x = 13,605.89

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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.