Home / 13,727.21-18,941.85-9,746.87

Finding the Fourth Proportional to 13,727.21, 18,941.85 and 9,746.87

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Solution

The fourth proportional to 13,727.21, 18,941.85 and 9,746.87 is: 13,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.21 : 18,941.85 = 9,746.87 : x
  2. Step 2: Convert to fraction form
    13,727.21/18,941.85 = 9,746.87/x
  3. Step 3: Cross multiply
    13,727.21x = 18,941.85 × 9,746.87
  4. Step 4: Simplify right side
    13,727.21x = 184,623,654.80
  5. Step 5: Solve for x
    x = 184,623,654.80/13,727.21
  6. Step 6: Final answer
    x = 13,449.47

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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.