Home / 19,758.08-29,648.78-7,286.81

Finding the Fourth Proportional to 19,758.08, 29,648.78 and 7,286.81

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Solution

The fourth proportional to 19,758.08, 29,648.78 and 7,286.81 is: 10,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.08 : 29,648.78 = 7,286.81 : x
  2. Step 2: Convert to fraction form
    19,758.08/29,648.78 = 7,286.81/x
  3. Step 3: Cross multiply
    19,758.08x = 29,648.78 × 7,286.81
  4. Step 4: Simplify right side
    19,758.08x = 216,045,077.00
  5. Step 5: Solve for x
    x = 216,045,077.00/19,758.08
  6. Step 6: Final answer
    x = 10,934.52

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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.