Home / 13,038.58-19,557.88-3,177.88

Finding the Fourth Proportional to 13,038.58, 19,557.88 and 3,177.88

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Solution

The fourth proportional to 13,038.58, 19,557.88 and 3,177.88 is: 4,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.58 : 19,557.88 = 3,177.88 : x
  2. Step 2: Convert to fraction form
    13,038.58/19,557.88 = 3,177.88/x
  3. Step 3: Cross multiply
    13,038.58x = 19,557.88 × 3,177.88
  4. Step 4: Simplify right side
    13,038.58x = 62,152,595.69
  5. Step 5: Solve for x
    x = 62,152,595.69/13,038.58
  6. Step 6: Final answer
    x = 4,766.82

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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.