Home / 19,288.44-26,614.86-12,117.24

Finding the Fourth Proportional to 19,288.44, 26,614.86 and 12,117.24

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Solution

The fourth proportional to 19,288.44, 26,614.86 and 12,117.24 is: 16,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.44 : 26,614.86 = 12,117.24 : x
  2. Step 2: Convert to fraction form
    19,288.44/26,614.86 = 12,117.24/x
  3. Step 3: Cross multiply
    19,288.44x = 26,614.86 × 12,117.24
  4. Step 4: Simplify right side
    19,288.44x = 322,498,646.19
  5. Step 5: Solve for x
    x = 322,498,646.19/19,288.44
  6. Step 6: Final answer
    x = 16,719.79

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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.