Home / 13,270.70-19,903.57-5,371.15

Finding the Fourth Proportional to 13,270.70, 19,903.57 and 5,371.15

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Solution

The fourth proportional to 13,270.70, 19,903.57 and 5,371.15 is: 8,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.70 : 19,903.57 = 5,371.15 : x
  2. Step 2: Convert to fraction form
    13,270.70/19,903.57 = 5,371.15/x
  3. Step 3: Cross multiply
    13,270.70x = 19,903.57 × 5,371.15
  4. Step 4: Simplify right side
    13,270.70x = 106,905,060.01
  5. Step 5: Solve for x
    x = 106,905,060.01/13,270.70
  6. Step 6: Final answer
    x = 8,055.72

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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.