Home / 14,349.80-21,520.80-9,076.89

Finding the Fourth Proportional to 14,349.80, 21,520.80 and 9,076.89

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Solution

The fourth proportional to 14,349.80, 21,520.80 and 9,076.89 is: 13,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.80 : 21,520.80 = 9,076.89 : x
  2. Step 2: Convert to fraction form
    14,349.80/21,520.80 = 9,076.89/x
  3. Step 3: Cross multiply
    14,349.80x = 21,520.80 × 9,076.89
  4. Step 4: Simplify right side
    14,349.80x = 195,342,015.02
  5. Step 5: Solve for x
    x = 195,342,015.02/14,349.80
  6. Step 6: Final answer
    x = 13,612.87

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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.