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Finding the Fourth Proportional to 14,955.64, 22,404.74 and 8,361.83

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Solution

The fourth proportional to 14,955.64, 22,404.74 and 8,361.83 is: 12,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.64 : 22,404.74 = 8,361.83 : x
  2. Step 2: Convert to fraction form
    14,955.64/22,404.74 = 8,361.83/x
  3. Step 3: Cross multiply
    14,955.64x = 22,404.74 × 8,361.83
  4. Step 4: Simplify right side
    14,955.64x = 187,344,641.28
  5. Step 5: Solve for x
    x = 187,344,641.28/14,955.64
  6. Step 6: Final answer
    x = 12,526.69

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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.