Home / 19,344.32-29,031.06-8,963.36

Finding the Fourth Proportional to 19,344.32, 29,031.06 and 8,963.36

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Solution

The fourth proportional to 19,344.32, 29,031.06 and 8,963.36 is: 13,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.32 : 29,031.06 = 8,963.36 : x
  2. Step 2: Convert to fraction form
    19,344.32/29,031.06 = 8,963.36/x
  3. Step 3: Cross multiply
    19,344.32x = 29,031.06 × 8,963.36
  4. Step 4: Simplify right side
    19,344.32x = 260,215,841.96
  5. Step 5: Solve for x
    x = 260,215,841.96/19,344.32
  6. Step 6: Final answer
    x = 13,451.80

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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.