Home / 19,588.88-29,386.96-6,441.78

Finding the Fourth Proportional to 19,588.88, 29,386.96 and 6,441.78

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Solution

The fourth proportional to 19,588.88, 29,386.96 and 6,441.78 is: 9,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.88 : 29,386.96 = 6,441.78 : x
  2. Step 2: Convert to fraction form
    19,588.88/29,386.96 = 6,441.78/x
  3. Step 3: Cross multiply
    19,588.88x = 29,386.96 × 6,441.78
  4. Step 4: Simplify right side
    19,588.88x = 189,304,331.19
  5. Step 5: Solve for x
    x = 189,304,331.19/19,588.88
  6. Step 6: Final answer
    x = 9,663.87

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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.