Home / 19,479.88-29,186.34-15,346.36

Finding the Fourth Proportional to 19,479.88, 29,186.34 and 15,346.36

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Solution

The fourth proportional to 19,479.88, 29,186.34 and 15,346.36 is: 22,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.88 : 29,186.34 = 15,346.36 : x
  2. Step 2: Convert to fraction form
    19,479.88/29,186.34 = 15,346.36/x
  3. Step 3: Cross multiply
    19,479.88x = 29,186.34 × 15,346.36
  4. Step 4: Simplify right side
    19,479.88x = 447,904,080.72
  5. Step 5: Solve for x
    x = 447,904,080.72/19,479.88
  6. Step 6: Final answer
    x = 22,993.16

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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.