Home / 18,084.23-27,130.49-6,991.01

Finding the Fourth Proportional to 18,084.23, 27,130.49 and 6,991.01

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Solution

The fourth proportional to 18,084.23, 27,130.49 and 6,991.01 is: 10,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.23 : 27,130.49 = 6,991.01 : x
  2. Step 2: Convert to fraction form
    18,084.23/27,130.49 = 6,991.01/x
  3. Step 3: Cross multiply
    18,084.23x = 27,130.49 × 6,991.01
  4. Step 4: Simplify right side
    18,084.23x = 189,669,526.89
  5. Step 5: Solve for x
    x = 189,669,526.89/18,084.23
  6. Step 6: Final answer
    x = 10,488.12

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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.