Home / 13,403.07-20,104.61-9,182.16

Finding the Fourth Proportional to 13,403.07, 20,104.61 and 9,182.16

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Solution

The fourth proportional to 13,403.07, 20,104.61 and 9,182.16 is: 13,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.07 : 20,104.61 = 9,182.16 : x
  2. Step 2: Convert to fraction form
    13,403.07/20,104.61 = 9,182.16/x
  3. Step 3: Cross multiply
    13,403.07x = 20,104.61 × 9,182.16
  4. Step 4: Simplify right side
    13,403.07x = 184,603,699.85
  5. Step 5: Solve for x
    x = 184,603,699.85/13,403.07
  6. Step 6: Final answer
    x = 13,773.24

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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.