Home / 19,412.06-29,119.48-5,180.46

Finding the Fourth Proportional to 19,412.06, 29,119.48 and 5,180.46

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Solution

The fourth proportional to 19,412.06, 29,119.48 and 5,180.46 is: 7,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.06 : 29,119.48 = 5,180.46 : x
  2. Step 2: Convert to fraction form
    19,412.06/29,119.48 = 5,180.46/x
  3. Step 3: Cross multiply
    19,412.06x = 29,119.48 × 5,180.46
  4. Step 4: Simplify right side
    19,412.06x = 150,852,129.86
  5. Step 5: Solve for x
    x = 150,852,129.86/19,412.06
  6. Step 6: Final answer
    x = 7,771.05

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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.