Home / 13,151.56-19,727.54-4,386.48

Finding the Fourth Proportional to 13,151.56, 19,727.54 and 4,386.48

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Solution

The fourth proportional to 13,151.56, 19,727.54 and 4,386.48 is: 6,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.56 : 19,727.54 = 4,386.48 : x
  2. Step 2: Convert to fraction form
    13,151.56/19,727.54 = 4,386.48/x
  3. Step 3: Cross multiply
    13,151.56x = 19,727.54 × 4,386.48
  4. Step 4: Simplify right side
    13,151.56x = 86,534,459.66
  5. Step 5: Solve for x
    x = 86,534,459.66/13,151.56
  6. Step 6: Final answer
    x = 6,579.79

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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.