Home / 19,479.86-29,209.41-10,110.45

Finding the Fourth Proportional to 19,479.86, 29,209.41 and 10,110.45

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Solution

The fourth proportional to 19,479.86, 29,209.41 and 10,110.45 is: 15,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.86 : 29,209.41 = 10,110.45 : x
  2. Step 2: Convert to fraction form
    19,479.86/29,209.41 = 10,110.45/x
  3. Step 3: Cross multiply
    19,479.86x = 29,209.41 × 10,110.45
  4. Step 4: Simplify right side
    19,479.86x = 295,320,388.87
  5. Step 5: Solve for x
    x = 295,320,388.87/19,479.86
  6. Step 6: Final answer
    x = 15,160.29

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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.