Home / 19,317.38-28,994.75-9,329.12

Finding the Fourth Proportional to 19,317.38, 28,994.75 and 9,329.12

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Solution

The fourth proportional to 19,317.38, 28,994.75 and 9,329.12 is: 14,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.38 : 28,994.75 = 9,329.12 : x
  2. Step 2: Convert to fraction form
    19,317.38/28,994.75 = 9,329.12/x
  3. Step 3: Cross multiply
    19,317.38x = 28,994.75 × 9,329.12
  4. Step 4: Simplify right side
    19,317.38x = 270,495,643.55
  5. Step 5: Solve for x
    x = 270,495,643.55/19,317.38
  6. Step 6: Final answer
    x = 14,002.71

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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.