Home / 18,139.61-27,204.26-7,043.93

Finding the Fourth Proportional to 18,139.61, 27,204.26 and 7,043.93

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Solution

The fourth proportional to 18,139.61, 27,204.26 and 7,043.93 is: 10,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.61 : 27,204.26 = 7,043.93 : x
  2. Step 2: Convert to fraction form
    18,139.61/27,204.26 = 7,043.93/x
  3. Step 3: Cross multiply
    18,139.61x = 27,204.26 × 7,043.93
  4. Step 4: Simplify right side
    18,139.61x = 191,624,731.90
  5. Step 5: Solve for x
    x = 191,624,731.90/18,139.61
  6. Step 6: Final answer
    x = 10,563.89

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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.