Home / 13,618.83-18,766.71-9,835.32

Finding the Fourth Proportional to 13,618.83, 18,766.71 and 9,835.32

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Solution

The fourth proportional to 13,618.83, 18,766.71 and 9,835.32 is: 13,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.83 : 18,766.71 = 9,835.32 : x
  2. Step 2: Convert to fraction form
    13,618.83/18,766.71 = 9,835.32/x
  3. Step 3: Cross multiply
    13,618.83x = 18,766.71 × 9,835.32
  4. Step 4: Simplify right side
    13,618.83x = 184,576,598.20
  5. Step 5: Solve for x
    x = 184,576,598.20/13,618.83
  6. Step 6: Final answer
    x = 13,553.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.