Home / 14,840.20-20,479.40-8,034.22

Finding the Fourth Proportional to 14,840.20, 20,479.40 and 8,034.22

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Solution

The fourth proportional to 14,840.20, 20,479.40 and 8,034.22 is: 11,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.20 : 20,479.40 = 8,034.22 : x
  2. Step 2: Convert to fraction form
    14,840.20/20,479.40 = 8,034.22/x
  3. Step 3: Cross multiply
    14,840.20x = 20,479.40 × 8,034.22
  4. Step 4: Simplify right side
    14,840.20x = 164,536,005.07
  5. Step 5: Solve for x
    x = 164,536,005.07/14,840.20
  6. Step 6: Final answer
    x = 11,087.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.