Home / 18,285.72-27,429.54-5,806.74

Finding the Fourth Proportional to 18,285.72, 27,429.54 and 5,806.74

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Solution

The fourth proportional to 18,285.72, 27,429.54 and 5,806.74 is: 8,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.72 : 27,429.54 = 5,806.74 : x
  2. Step 2: Convert to fraction form
    18,285.72/27,429.54 = 5,806.74/x
  3. Step 3: Cross multiply
    18,285.72x = 27,429.54 × 5,806.74
  4. Step 4: Simplify right side
    18,285.72x = 159,276,207.10
  5. Step 5: Solve for x
    x = 159,276,207.10/18,285.72
  6. Step 6: Final answer
    x = 8,710.41

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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.