Home / 21,976.07-32,965.02-6,393.70

Finding the Fourth Proportional to 21,976.07, 32,965.02 and 6,393.70

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Solution

The fourth proportional to 21,976.07, 32,965.02 and 6,393.70 is: 9,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.07 : 32,965.02 = 6,393.70 : x
  2. Step 2: Convert to fraction form
    21,976.07/32,965.02 = 6,393.70/x
  3. Step 3: Cross multiply
    21,976.07x = 32,965.02 × 6,393.70
  4. Step 4: Simplify right side
    21,976.07x = 210,768,283.55
  5. Step 5: Solve for x
    x = 210,768,283.55/21,976.07
  6. Step 6: Final answer
    x = 9,590.81

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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.