Home / 14,549.85-20,078.21-8,894.07

Finding the Fourth Proportional to 14,549.85, 20,078.21 and 8,894.07

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Solution

The fourth proportional to 14,549.85, 20,078.21 and 8,894.07 is: 12,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.85 : 20,078.21 = 8,894.07 : x
  2. Step 2: Convert to fraction form
    14,549.85/20,078.21 = 8,894.07/x
  3. Step 3: Cross multiply
    14,549.85x = 20,078.21 × 8,894.07
  4. Step 4: Simplify right side
    14,549.85x = 178,576,960.74
  5. Step 5: Solve for x
    x = 178,576,960.74/14,549.85
  6. Step 6: Final answer
    x = 12,273.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.