Home / 14,006.84-21,010.23-4,145.33

Finding the Fourth Proportional to 14,006.84, 21,010.23 and 4,145.33

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Solution

The fourth proportional to 14,006.84, 21,010.23 and 4,145.33 is: 6,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.84 : 21,010.23 = 4,145.33 : x
  2. Step 2: Convert to fraction form
    14,006.84/21,010.23 = 4,145.33/x
  3. Step 3: Cross multiply
    14,006.84x = 21,010.23 × 4,145.33
  4. Step 4: Simplify right side
    14,006.84x = 87,094,389.25
  5. Step 5: Solve for x
    x = 87,094,389.25/14,006.84
  6. Step 6: Final answer
    x = 6,217.99

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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.