Home / 13,538.08-20,307.54-3,677.32

Finding the Fourth Proportional to 13,538.08, 20,307.54 and 3,677.32

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Solution

The fourth proportional to 13,538.08, 20,307.54 and 3,677.32 is: 5,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538.08 : 20,307.54 = 3,677.32 : x
  2. Step 2: Convert to fraction form
    13,538.08/20,307.54 = 3,677.32/x
  3. Step 3: Cross multiply
    13,538.08x = 20,307.54 × 3,677.32
  4. Step 4: Simplify right side
    13,538.08x = 74,677,322.99
  5. Step 5: Solve for x
    x = 74,677,322.99/13,538.08
  6. Step 6: Final answer
    x = 5,516.09

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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.