Home / 14,292.86-21,452.59-7,278.12

Finding the Fourth Proportional to 14,292.86, 21,452.59 and 7,278.12

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Solution

The fourth proportional to 14,292.86, 21,452.59 and 7,278.12 is: 10,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.86 : 21,452.59 = 7,278.12 : x
  2. Step 2: Convert to fraction form
    14,292.86/21,452.59 = 7,278.12/x
  3. Step 3: Cross multiply
    14,292.86x = 21,452.59 × 7,278.12
  4. Step 4: Simplify right side
    14,292.86x = 156,134,506.14
  5. Step 5: Solve for x
    x = 156,134,506.14/14,292.86
  6. Step 6: Final answer
    x = 10,923.95

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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.