Home / 19,805.08-29,686.04-7,314.56

Finding the Fourth Proportional to 19,805.08, 29,686.04 and 7,314.56

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Solution

The fourth proportional to 19,805.08, 29,686.04 and 7,314.56 is: 10,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.08 : 29,686.04 = 7,314.56 : x
  2. Step 2: Convert to fraction form
    19,805.08/29,686.04 = 7,314.56/x
  3. Step 3: Cross multiply
    19,805.08x = 29,686.04 × 7,314.56
  4. Step 4: Simplify right side
    19,805.08x = 217,140,320.74
  5. Step 5: Solve for x
    x = 217,140,320.74/19,805.08
  6. Step 6: Final answer
    x = 10,963.87

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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.