Home / 13,141.96-19,742.10-12,727.24

Finding the Fourth Proportional to 13,141.96, 19,742.10 and 12,727.24

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Solution

The fourth proportional to 13,141.96, 19,742.10 and 12,727.24 is: 19,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.96 : 19,742.10 = 12,727.24 : x
  2. Step 2: Convert to fraction form
    13,141.96/19,742.10 = 12,727.24/x
  3. Step 3: Cross multiply
    13,141.96x = 19,742.10 × 12,727.24
  4. Step 4: Simplify right side
    13,141.96x = 251,262,444.80
  5. Step 5: Solve for x
    x = 251,262,444.80/13,141.96
  6. Step 6: Final answer
    x = 19,119.10

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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.