Home / 14,214.07-19,611.48-9,178.51

Finding the Fourth Proportional to 14,214.07, 19,611.48 and 9,178.51

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Solution

The fourth proportional to 14,214.07, 19,611.48 and 9,178.51 is: 12,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.07 : 19,611.48 = 9,178.51 : x
  2. Step 2: Convert to fraction form
    14,214.07/19,611.48 = 9,178.51/x
  3. Step 3: Cross multiply
    14,214.07x = 19,611.48 × 9,178.51
  4. Step 4: Simplify right side
    14,214.07x = 180,004,067.24
  5. Step 5: Solve for x
    x = 180,004,067.24/14,214.07
  6. Step 6: Final answer
    x = 12,663.79

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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.