Home / 19,899.81-29,849.70-5,859.84

Finding the Fourth Proportional to 19,899.81, 29,849.70 and 5,859.84

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Solution

The fourth proportional to 19,899.81, 29,849.70 and 5,859.84 is: 8,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.81 : 29,849.70 = 5,859.84 : x
  2. Step 2: Convert to fraction form
    19,899.81/29,849.70 = 5,859.84/x
  3. Step 3: Cross multiply
    19,899.81x = 29,849.70 × 5,859.84
  4. Step 4: Simplify right side
    19,899.81x = 174,914,331.45
  5. Step 5: Solve for x
    x = 174,914,331.45/19,899.81
  6. Step 6: Final answer
    x = 8,789.75

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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.