Home / 13,429.69-20,153.81-4,664.61

Finding the Fourth Proportional to 13,429.69, 20,153.81 and 4,664.61

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Solution

The fourth proportional to 13,429.69, 20,153.81 and 4,664.61 is: 7,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.69 : 20,153.81 = 4,664.61 : x
  2. Step 2: Convert to fraction form
    13,429.69/20,153.81 = 4,664.61/x
  3. Step 3: Cross multiply
    13,429.69x = 20,153.81 × 4,664.61
  4. Step 4: Simplify right side
    13,429.69x = 94,009,675.33
  5. Step 5: Solve for x
    x = 94,009,675.33/13,429.69
  6. Step 6: Final answer
    x = 7,000.14

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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.