Home / 21,583.40-32,393.66-8,445.06

Finding the Fourth Proportional to 21,583.40, 32,393.66 and 8,445.06

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Solution

The fourth proportional to 21,583.40, 32,393.66 and 8,445.06 is: 12,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.40 : 32,393.66 = 8,445.06 : x
  2. Step 2: Convert to fraction form
    21,583.40/32,393.66 = 8,445.06/x
  3. Step 3: Cross multiply
    21,583.40x = 32,393.66 × 8,445.06
  4. Step 4: Simplify right side
    21,583.40x = 273,566,360.09
  5. Step 5: Solve for x
    x = 273,566,360.09/21,583.40
  6. Step 6: Final answer
    x = 12,674.85

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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.