Home / 13,939.73-20,909.58-6,154.01

Finding the Fourth Proportional to 13,939.73, 20,909.58 and 6,154.01

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Solution

The fourth proportional to 13,939.73, 20,909.58 and 6,154.01 is: 9,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.73 : 20,909.58 = 6,154.01 : x
  2. Step 2: Convert to fraction form
    13,939.73/20,909.58 = 6,154.01/x
  3. Step 3: Cross multiply
    13,939.73x = 20,909.58 × 6,154.01
  4. Step 4: Simplify right side
    13,939.73x = 128,677,659.87
  5. Step 5: Solve for x
    x = 128,677,659.87/13,939.73
  6. Step 6: Final answer
    x = 9,231.00

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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.