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Finding the Fourth Proportional to 16,653.59, 24,971.72 and 6,120.89

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Solution

The fourth proportional to 16,653.59, 24,971.72 and 6,120.89 is: 9,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.59 : 24,971.72 = 6,120.89 : x
  2. Step 2: Convert to fraction form
    16,653.59/24,971.72 = 6,120.89/x
  3. Step 3: Cross multiply
    16,653.59x = 24,971.72 × 6,120.89
  4. Step 4: Simplify right side
    16,653.59x = 152,848,995.77
  5. Step 5: Solve for x
    x = 152,848,995.77/16,653.59
  6. Step 6: Final answer
    x = 9,178.14

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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.