Home / 13,151.36-19,727.11-4,386.25

Finding the Fourth Proportional to 13,151.36, 19,727.11 and 4,386.25

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Solution

The fourth proportional to 13,151.36, 19,727.11 and 4,386.25 is: 6,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.36 : 19,727.11 = 4,386.25 : x
  2. Step 2: Convert to fraction form
    13,151.36/19,727.11 = 4,386.25/x
  3. Step 3: Cross multiply
    13,151.36x = 19,727.11 × 4,386.25
  4. Step 4: Simplify right side
    13,151.36x = 86,527,937.60
  5. Step 5: Solve for x
    x = 86,527,937.60/13,151.36
  6. Step 6: Final answer
    x = 6,579.39

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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.