Home / 13,122.98-19,684.52-4,358.58

Finding the Fourth Proportional to 13,122.98, 19,684.52 and 4,358.58

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Solution

The fourth proportional to 13,122.98, 19,684.52 and 4,358.58 is: 6,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.98 : 19,684.52 = 4,358.58 : x
  2. Step 2: Convert to fraction form
    13,122.98/19,684.52 = 4,358.58/x
  3. Step 3: Cross multiply
    13,122.98x = 19,684.52 × 4,358.58
  4. Step 4: Simplify right side
    13,122.98x = 85,796,555.18
  5. Step 5: Solve for x
    x = 85,796,555.18/13,122.98
  6. Step 6: Final answer
    x = 6,537.89

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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.