Home / 18,353.08-27,529.62-5,205.57

Finding the Fourth Proportional to 18,353.08, 27,529.62 and 5,205.57

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Solution

The fourth proportional to 18,353.08, 27,529.62 and 5,205.57 is: 7,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.08 : 27,529.62 = 5,205.57 : x
  2. Step 2: Convert to fraction form
    18,353.08/27,529.62 = 5,205.57/x
  3. Step 3: Cross multiply
    18,353.08x = 27,529.62 × 5,205.57
  4. Step 4: Simplify right side
    18,353.08x = 143,307,270.51
  5. Step 5: Solve for x
    x = 143,307,270.51/18,353.08
  6. Step 6: Final answer
    x = 7,808.35

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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.