Home / 13,405.06-20,107.60-9,184.15

Finding the Fourth Proportional to 13,405.06, 20,107.60 and 9,184.15

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Solution

The fourth proportional to 13,405.06, 20,107.60 and 9,184.15 is: 13,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.06 : 20,107.60 = 9,184.15 : x
  2. Step 2: Convert to fraction form
    13,405.06/20,107.60 = 9,184.15/x
  3. Step 3: Cross multiply
    13,405.06x = 20,107.60 × 9,184.15
  4. Step 4: Simplify right side
    13,405.06x = 184,671,214.54
  5. Step 5: Solve for x
    x = 184,671,214.54/13,405.06
  6. Step 6: Final answer
    x = 13,776.23

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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.