Home / 21,020.02-31,524.64-6,225.47

Finding the Fourth Proportional to 21,020.02, 31,524.64 and 6,225.47

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Solution

The fourth proportional to 21,020.02, 31,524.64 and 6,225.47 is: 9,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020.02 : 31,524.64 = 6,225.47 : x
  2. Step 2: Convert to fraction form
    21,020.02/31,524.64 = 6,225.47/x
  3. Step 3: Cross multiply
    21,020.02x = 31,524.64 × 6,225.47
  4. Step 4: Simplify right side
    21,020.02x = 196,255,857.96
  5. Step 5: Solve for x
    x = 196,255,857.96/21,020.02
  6. Step 6: Final answer
    x = 9,336.61

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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.