Home / 13,412.92-20,119.56-4,053.01

Finding the Fourth Proportional to 13,412.92, 20,119.56 and 4,053.01

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Solution

The fourth proportional to 13,412.92, 20,119.56 and 4,053.01 is: 6,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.92 : 20,119.56 = 4,053.01 : x
  2. Step 2: Convert to fraction form
    13,412.92/20,119.56 = 4,053.01/x
  3. Step 3: Cross multiply
    13,412.92x = 20,119.56 × 4,053.01
  4. Step 4: Simplify right side
    13,412.92x = 81,544,840.89
  5. Step 5: Solve for x
    x = 81,544,840.89/13,412.92
  6. Step 6: Final answer
    x = 6,079.58

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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.