Home / 12,982.70-19,471.74-5,955.14

Finding the Fourth Proportional to 12,982.70, 19,471.74 and 5,955.14

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Solution

The fourth proportional to 12,982.70, 19,471.74 and 5,955.14 is: 8,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.70 : 19,471.74 = 5,955.14 : x
  2. Step 2: Convert to fraction form
    12,982.70/19,471.74 = 5,955.14/x
  3. Step 3: Cross multiply
    12,982.70x = 19,471.74 × 5,955.14
  4. Step 4: Simplify right side
    12,982.70x = 115,956,840.38
  5. Step 5: Solve for x
    x = 115,956,840.38/12,982.70
  6. Step 6: Final answer
    x = 8,931.65

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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.