Home / 14,067.19-21,102.23-5,309.47

Finding the Fourth Proportional to 14,067.19, 21,102.23 and 5,309.47

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Solution

The fourth proportional to 14,067.19, 21,102.23 and 5,309.47 is: 7,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.19 : 21,102.23 = 5,309.47 : x
  2. Step 2: Convert to fraction form
    14,067.19/21,102.23 = 5,309.47/x
  3. Step 3: Cross multiply
    14,067.19x = 21,102.23 × 5,309.47
  4. Step 4: Simplify right side
    14,067.19x = 112,041,657.12
  5. Step 5: Solve for x
    x = 112,041,657.12/14,067.19
  6. Step 6: Final answer
    x = 7,964.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.