Home / 13,665.29-20,497.95-3,804.56

Finding the Fourth Proportional to 13,665.29, 20,497.95 and 3,804.56

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Solution

The fourth proportional to 13,665.29, 20,497.95 and 3,804.56 is: 5,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.29 : 20,497.95 = 3,804.56 : x
  2. Step 2: Convert to fraction form
    13,665.29/20,497.95 = 3,804.56/x
  3. Step 3: Cross multiply
    13,665.29x = 20,497.95 × 3,804.56
  4. Step 4: Simplify right side
    13,665.29x = 77,985,655.03
  5. Step 5: Solve for x
    x = 77,985,655.03/13,665.29
  6. Step 6: Final answer
    x = 5,706.84

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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.