Home / 13,739.24-20,610.36-4,377.06

Finding the Fourth Proportional to 13,739.24, 20,610.36 and 4,377.06

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Solution

The fourth proportional to 13,739.24, 20,610.36 and 4,377.06 is: 6,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.24 : 20,610.36 = 4,377.06 : x
  2. Step 2: Convert to fraction form
    13,739.24/20,610.36 = 4,377.06/x
  3. Step 3: Cross multiply
    13,739.24x = 20,610.36 × 4,377.06
  4. Step 4: Simplify right side
    13,739.24x = 90,212,782.34
  5. Step 5: Solve for x
    x = 90,212,782.34/13,739.24
  6. Step 6: Final answer
    x = 6,566.07

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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.