Home / 19,682.76-27,161.67-10,730.45

Finding the Fourth Proportional to 19,682.76, 27,161.67 and 10,730.45

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Solution

The fourth proportional to 19,682.76, 27,161.67 and 10,730.45 is: 14,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.76 : 27,161.67 = 10,730.45 : x
  2. Step 2: Convert to fraction form
    19,682.76/27,161.67 = 10,730.45/x
  3. Step 3: Cross multiply
    19,682.76x = 27,161.67 × 10,730.45
  4. Step 4: Simplify right side
    19,682.76x = 291,456,806.04
  5. Step 5: Solve for x
    x = 291,456,806.04/19,682.76
  6. Step 6: Final answer
    x = 14,807.72

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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.