Home / 13,191.03-19,784.71-3,329.71

Finding the Fourth Proportional to 13,191.03, 19,784.71 and 3,329.71

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Solution

The fourth proportional to 13,191.03, 19,784.71 and 3,329.71 is: 4,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.03 : 19,784.71 = 3,329.71 : x
  2. Step 2: Convert to fraction form
    13,191.03/19,784.71 = 3,329.71/x
  3. Step 3: Cross multiply
    13,191.03x = 19,784.71 × 3,329.71
  4. Step 4: Simplify right side
    13,191.03x = 65,877,301.43
  5. Step 5: Solve for x
    x = 65,877,301.43/13,191.03
  6. Step 6: Final answer
    x = 4,994.10

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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.