Home / 19,682.52-27,161.50-10,730.10

Finding the Fourth Proportional to 19,682.52, 27,161.50 and 10,730.10

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Solution

The fourth proportional to 19,682.52, 27,161.50 and 10,730.10 is: 14,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.52 : 27,161.50 = 10,730.10 : x
  2. Step 2: Convert to fraction form
    19,682.52/27,161.50 = 10,730.10/x
  3. Step 3: Cross multiply
    19,682.52x = 27,161.50 × 10,730.10
  4. Step 4: Simplify right side
    19,682.52x = 291,445,611.15
  5. Step 5: Solve for x
    x = 291,445,611.15/19,682.52
  6. Step 6: Final answer
    x = 14,807.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.