Home / 19,860.21-29,794.41-5,820.70

Finding the Fourth Proportional to 19,860.21, 29,794.41 and 5,820.70

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Solution

The fourth proportional to 19,860.21, 29,794.41 and 5,820.70 is: 8,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.21 : 29,794.41 = 5,820.70 : x
  2. Step 2: Convert to fraction form
    19,860.21/29,794.41 = 5,820.70/x
  3. Step 3: Cross multiply
    19,860.21x = 29,794.41 × 5,820.70
  4. Step 4: Simplify right side
    19,860.21x = 173,424,322.29
  5. Step 5: Solve for x
    x = 173,424,322.29/19,860.21
  6. Step 6: Final answer
    x = 8,732.25

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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.