Home / 19,725.45-29,589.71-6,577.81

Finding the Fourth Proportional to 19,725.45, 29,589.71 and 6,577.81

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Solution

The fourth proportional to 19,725.45, 29,589.71 and 6,577.81 is: 9,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.45 : 29,589.71 = 6,577.81 : x
  2. Step 2: Convert to fraction form
    19,725.45/29,589.71 = 6,577.81/x
  3. Step 3: Cross multiply
    19,725.45x = 29,589.71 × 6,577.81
  4. Step 4: Simplify right side
    19,725.45x = 194,635,490.34
  5. Step 5: Solve for x
    x = 194,635,490.34/19,725.45
  6. Step 6: Final answer
    x = 9,867.23

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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.