Home / 13,931.63-20,904.62-9,254.86

Finding the Fourth Proportional to 13,931.63, 20,904.62 and 9,254.86

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Solution

The fourth proportional to 13,931.63, 20,904.62 and 9,254.86 is: 13,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.63 : 20,904.62 = 9,254.86 : x
  2. Step 2: Convert to fraction form
    13,931.63/20,904.62 = 9,254.86/x
  3. Step 3: Cross multiply
    13,931.63x = 20,904.62 × 9,254.86
  4. Step 4: Simplify right side
    13,931.63x = 193,469,232.92
  5. Step 5: Solve for x
    x = 193,469,232.92/13,931.63
  6. Step 6: Final answer
    x = 13,887.05

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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.