Home / 19,653.30-27,120.74-10,700.82

Finding the Fourth Proportional to 19,653.30, 27,120.74 and 10,700.82

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Solution

The fourth proportional to 19,653.30, 27,120.74 and 10,700.82 is: 14,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.30 : 27,120.74 = 10,700.82 : x
  2. Step 2: Convert to fraction form
    19,653.30/27,120.74 = 10,700.82/x
  3. Step 3: Cross multiply
    19,653.30x = 27,120.74 × 10,700.82
  4. Step 4: Simplify right side
    19,653.30x = 290,214,103.50
  5. Step 5: Solve for x
    x = 290,214,103.50/19,653.30
  6. Step 6: Final answer
    x = 14,766.69

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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.