Home / 14,122.79-21,184.31-3,592.82

Finding the Fourth Proportional to 14,122.79, 21,184.31 and 3,592.82

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Solution

The fourth proportional to 14,122.79, 21,184.31 and 3,592.82 is: 5,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.79 : 21,184.31 = 3,592.82 : x
  2. Step 2: Convert to fraction form
    14,122.79/21,184.31 = 3,592.82/x
  3. Step 3: Cross multiply
    14,122.79x = 21,184.31 × 3,592.82
  4. Step 4: Simplify right side
    14,122.79x = 76,111,461.12
  5. Step 5: Solve for x
    x = 76,111,461.12/14,122.79
  6. Step 6: Final answer
    x = 5,389.27

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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.