Home / 13,038.20-19,557.34-3,177.48

Finding the Fourth Proportional to 13,038.20, 19,557.34 and 3,177.48

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Solution

The fourth proportional to 13,038.20, 19,557.34 and 3,177.48 is: 4,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.20 : 19,557.34 = 3,177.48 : x
  2. Step 2: Convert to fraction form
    13,038.20/19,557.34 = 3,177.48/x
  3. Step 3: Cross multiply
    13,038.20x = 19,557.34 × 3,177.48
  4. Step 4: Simplify right side
    13,038.20x = 62,143,056.70
  5. Step 5: Solve for x
    x = 62,143,056.70/13,038.20
  6. Step 6: Final answer
    x = 4,766.23

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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.