Home / 13,889.50-20,834.93-4,029.55

Finding the Fourth Proportional to 13,889.50, 20,834.93 and 4,029.55

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Solution

The fourth proportional to 13,889.50, 20,834.93 and 4,029.55 is: 6,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.50 : 20,834.93 = 4,029.55 : x
  2. Step 2: Convert to fraction form
    13,889.50/20,834.93 = 4,029.55/x
  3. Step 3: Cross multiply
    13,889.50x = 20,834.93 × 4,029.55
  4. Step 4: Simplify right side
    13,889.50x = 83,955,355.83
  5. Step 5: Solve for x
    x = 83,955,355.83/13,889.50
  6. Step 6: Final answer
    x = 6,044.52

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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.