Home / 13,653.21-20,476.01-3,790.14

Finding the Fourth Proportional to 13,653.21, 20,476.01 and 3,790.14

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Solution

The fourth proportional to 13,653.21, 20,476.01 and 3,790.14 is: 5,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.21 : 20,476.01 = 3,790.14 : x
  2. Step 2: Convert to fraction form
    13,653.21/20,476.01 = 3,790.14/x
  3. Step 3: Cross multiply
    13,653.21x = 20,476.01 × 3,790.14
  4. Step 4: Simplify right side
    13,653.21x = 77,606,925.59
  5. Step 5: Solve for x
    x = 77,606,925.59/13,653.21
  6. Step 6: Final answer
    x = 5,684.15

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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.