Home / 14,521.97-21,783.15-4,133.72

Finding the Fourth Proportional to 14,521.97, 21,783.15 and 4,133.72

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Solution

The fourth proportional to 14,521.97, 21,783.15 and 4,133.72 is: 6,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.97 : 21,783.15 = 4,133.72 : x
  2. Step 2: Convert to fraction form
    14,521.97/21,783.15 = 4,133.72/x
  3. Step 3: Cross multiply
    14,521.97x = 21,783.15 × 4,133.72
  4. Step 4: Simplify right side
    14,521.97x = 90,045,333.90
  5. Step 5: Solve for x
    x = 90,045,333.90/14,521.97
  6. Step 6: Final answer
    x = 6,200.63

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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.