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Finding the Fourth Proportional to 14,959.36, 22,444.08 and 8,390.80

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Solution

The fourth proportional to 14,959.36, 22,444.08 and 8,390.80 is: 12,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.36 : 22,444.08 = 8,390.80 : x
  2. Step 2: Convert to fraction form
    14,959.36/22,444.08 = 8,390.80/x
  3. Step 3: Cross multiply
    14,959.36x = 22,444.08 × 8,390.80
  4. Step 4: Simplify right side
    14,959.36x = 188,323,786.46
  5. Step 5: Solve for x
    x = 188,323,786.46/14,959.36
  6. Step 6: Final answer
    x = 12,589.03

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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.