Home / 19,159.36-28,738.71-8,621.93

Finding the Fourth Proportional to 19,159.36, 28,738.71 and 8,621.93

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Solution

The fourth proportional to 19,159.36, 28,738.71 and 8,621.93 is: 12,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.36 : 28,738.71 = 8,621.93 : x
  2. Step 2: Convert to fraction form
    19,159.36/28,738.71 = 8,621.93/x
  3. Step 3: Cross multiply
    19,159.36x = 28,738.71 × 8,621.93
  4. Step 4: Simplify right side
    19,159.36x = 247,783,145.91
  5. Step 5: Solve for x
    x = 247,783,145.91/19,159.36
  6. Step 6: Final answer
    x = 12,932.75

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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.