Home / 20,095.08-30,118.44-7,434.74

Finding the Fourth Proportional to 20,095.08, 30,118.44 and 7,434.74

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Solution

The fourth proportional to 20,095.08, 30,118.44 and 7,434.74 is: 11,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.08 : 30,118.44 = 7,434.74 : x
  2. Step 2: Convert to fraction form
    20,095.08/30,118.44 = 7,434.74/x
  3. Step 3: Cross multiply
    20,095.08x = 30,118.44 × 7,434.74
  4. Step 4: Simplify right side
    20,095.08x = 223,922,747.25
  5. Step 5: Solve for x
    x = 223,922,747.25/20,095.08
  6. Step 6: Final answer
    x = 11,143.16

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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.