Home / 14,009.88-21,014.76-4,149.22

Finding the Fourth Proportional to 14,009.88, 21,014.76 and 4,149.22

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Solution

The fourth proportional to 14,009.88, 21,014.76 and 4,149.22 is: 6,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.88 : 21,014.76 = 4,149.22 : x
  2. Step 2: Convert to fraction form
    14,009.88/21,014.76 = 4,149.22/x
  3. Step 3: Cross multiply
    14,009.88x = 21,014.76 × 4,149.22
  4. Step 4: Simplify right side
    14,009.88x = 87,194,862.49
  5. Step 5: Solve for x
    x = 87,194,862.49/14,009.88
  6. Step 6: Final answer
    x = 6,223.81

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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.