Home / 20,208.24-30,312.36-7,064.37

Finding the Fourth Proportional to 20,208.24, 30,312.36 and 7,064.37

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Solution

The fourth proportional to 20,208.24, 30,312.36 and 7,064.37 is: 10,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.24 : 30,312.36 = 7,064.37 : x
  2. Step 2: Convert to fraction form
    20,208.24/30,312.36 = 7,064.37/x
  3. Step 3: Cross multiply
    20,208.24x = 30,312.36 × 7,064.37
  4. Step 4: Simplify right side
    20,208.24x = 214,137,726.61
  5. Step 5: Solve for x
    x = 214,137,726.61/20,208.24
  6. Step 6: Final answer
    x = 10,596.56

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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.