Home / 13,334.81-20,005.11-4,569.93

Finding the Fourth Proportional to 13,334.81, 20,005.11 and 4,569.93

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Solution

The fourth proportional to 13,334.81, 20,005.11 and 4,569.93 is: 6,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.81 : 20,005.11 = 4,569.93 : x
  2. Step 2: Convert to fraction form
    13,334.81/20,005.11 = 4,569.93/x
  3. Step 3: Cross multiply
    13,334.81x = 20,005.11 × 4,569.93
  4. Step 4: Simplify right side
    13,334.81x = 91,421,952.34
  5. Step 5: Solve for x
    x = 91,421,952.34/13,334.81
  6. Step 6: Final answer
    x = 6,855.89

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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.