Home / 18,461.30-27,688.91-5,990.24

Finding the Fourth Proportional to 18,461.30, 27,688.91 and 5,990.24

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Solution

The fourth proportional to 18,461.30, 27,688.91 and 5,990.24 is: 8,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.30 : 27,688.91 = 5,990.24 : x
  2. Step 2: Convert to fraction form
    18,461.30/27,688.91 = 5,990.24/x
  3. Step 3: Cross multiply
    18,461.30x = 27,688.91 × 5,990.24
  4. Step 4: Simplify right side
    18,461.30x = 165,863,047.84
  5. Step 5: Solve for x
    x = 165,863,047.84/18,461.30
  6. Step 6: Final answer
    x = 8,984.37

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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.