Home / 13,814.40-20,727.11-5,055.47

Finding the Fourth Proportional to 13,814.40, 20,727.11 and 5,055.47

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Solution

The fourth proportional to 13,814.40, 20,727.11 and 5,055.47 is: 7,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.40 : 20,727.11 = 5,055.47 : x
  2. Step 2: Convert to fraction form
    13,814.40/20,727.11 = 5,055.47/x
  3. Step 3: Cross multiply
    13,814.40x = 20,727.11 × 5,055.47
  4. Step 4: Simplify right side
    13,814.40x = 104,785,282.79
  5. Step 5: Solve for x
    x = 104,785,282.79/13,814.40
  6. Step 6: Final answer
    x = 7,585.22

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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.