Home / 14,014.20-21,010.76-6,614.44

Finding the Fourth Proportional to 14,014.20, 21,010.76 and 6,614.44

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Solution

The fourth proportional to 14,014.20, 21,010.76 and 6,614.44 is: 9,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.20 : 21,010.76 = 6,614.44 : x
  2. Step 2: Convert to fraction form
    14,014.20/21,010.76 = 6,614.44/x
  3. Step 3: Cross multiply
    14,014.20x = 21,010.76 × 6,614.44
  4. Step 4: Simplify right side
    14,014.20x = 138,974,411.37
  5. Step 5: Solve for x
    x = 138,974,411.37/14,014.20
  6. Step 6: Final answer
    x = 9,916.69

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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.