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Finding the Fourth Proportional to 12,956.35, 19,425.17 and 5,052.17

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Solution

The fourth proportional to 12,956.35, 19,425.17 and 5,052.17 is: 7,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.35 : 19,425.17 = 5,052.17 : x
  2. Step 2: Convert to fraction form
    12,956.35/19,425.17 = 5,052.17/x
  3. Step 3: Cross multiply
    12,956.35x = 19,425.17 × 5,052.17
  4. Step 4: Simplify right side
    12,956.35x = 98,139,261.12
  5. Step 5: Solve for x
    x = 98,139,261.12/12,956.35
  6. Step 6: Final answer
    x = 7,574.61

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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.