Home / 20,859.06-31,288.61-5,064.12

Finding the Fourth Proportional to 20,859.06, 31,288.61 and 5,064.12

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Solution

The fourth proportional to 20,859.06, 31,288.61 and 5,064.12 is: 7,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859.06 : 31,288.61 = 5,064.12 : x
  2. Step 2: Convert to fraction form
    20,859.06/31,288.61 = 5,064.12/x
  3. Step 3: Cross multiply
    20,859.06x = 31,288.61 × 5,064.12
  4. Step 4: Simplify right side
    20,859.06x = 158,449,250.35
  5. Step 5: Solve for x
    x = 158,449,250.35/20,859.06
  6. Step 6: Final answer
    x = 7,596.18

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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.