Home / 19,317.29-28,994.61-9,329.03

Finding the Fourth Proportional to 19,317.29, 28,994.61 and 9,329.03

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Solution

The fourth proportional to 19,317.29, 28,994.61 and 9,329.03 is: 14,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.29 : 28,994.61 = 9,329.03 : x
  2. Step 2: Convert to fraction form
    19,317.29/28,994.61 = 9,329.03/x
  3. Step 3: Cross multiply
    19,317.29x = 28,994.61 × 9,329.03
  4. Step 4: Simplify right side
    19,317.29x = 270,491,659.01
  5. Step 5: Solve for x
    x = 270,491,659.01/19,317.29
  6. Step 6: Final answer
    x = 14,002.57

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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.