Home / 13,040.28-19,558.24-4,718.72

Finding the Fourth Proportional to 13,040.28, 19,558.24 and 4,718.72

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Solution

The fourth proportional to 13,040.28, 19,558.24 and 4,718.72 is: 7,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.28 : 19,558.24 = 4,718.72 : x
  2. Step 2: Convert to fraction form
    13,040.28/19,558.24 = 4,718.72/x
  3. Step 3: Cross multiply
    13,040.28x = 19,558.24 × 4,718.72
  4. Step 4: Simplify right side
    13,040.28x = 92,289,858.25
  5. Step 5: Solve for x
    x = 92,289,858.25/13,040.28
  6. Step 6: Final answer
    x = 7,077.29

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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.