Home / 13,153.58-19,730.01-4,388.66

Finding the Fourth Proportional to 13,153.58, 19,730.01 and 4,388.66

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Solution

The fourth proportional to 13,153.58, 19,730.01 and 4,388.66 is: 6,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.58 : 19,730.01 = 4,388.66 : x
  2. Step 2: Convert to fraction form
    13,153.58/19,730.01 = 4,388.66/x
  3. Step 3: Cross multiply
    13,153.58x = 19,730.01 × 4,388.66
  4. Step 4: Simplify right side
    13,153.58x = 86,588,305.69
  5. Step 5: Solve for x
    x = 86,588,305.69/13,153.58
  6. Step 6: Final answer
    x = 6,582.87

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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.