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Finding the Fourth Proportional to 14,659.84, 21,995.29 and 8,820.55

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Solution

The fourth proportional to 14,659.84, 21,995.29 and 8,820.55 is: 13,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.84 : 21,995.29 = 8,820.55 : x
  2. Step 2: Convert to fraction form
    14,659.84/21,995.29 = 8,820.55/x
  3. Step 3: Cross multiply
    14,659.84x = 21,995.29 × 8,820.55
  4. Step 4: Simplify right side
    14,659.84x = 194,010,423.18
  5. Step 5: Solve for x
    x = 194,010,423.18/14,659.84
  6. Step 6: Final answer
    x = 13,234.15

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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.