Home / 19,682.76-27,162.22-10,730.28

Finding the Fourth Proportional to 19,682.76, 27,162.22 and 10,730.28

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Solution

The fourth proportional to 19,682.76, 27,162.22 and 10,730.28 is: 14,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.76 : 27,162.22 = 10,730.28 : x
  2. Step 2: Convert to fraction form
    19,682.76/27,162.22 = 10,730.28/x
  3. Step 3: Cross multiply
    19,682.76x = 27,162.22 × 10,730.28
  4. Step 4: Simplify right side
    19,682.76x = 291,458,226.02
  5. Step 5: Solve for x
    x = 291,458,226.02/19,682.76
  6. Step 6: Final answer
    x = 14,807.79

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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.