Home / 18,585.19-27,879.76-5,437.63

Finding the Fourth Proportional to 18,585.19, 27,879.76 and 5,437.63

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Solution

The fourth proportional to 18,585.19, 27,879.76 and 5,437.63 is: 8,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.19 : 27,879.76 = 5,437.63 : x
  2. Step 2: Convert to fraction form
    18,585.19/27,879.76 = 5,437.63/x
  3. Step 3: Cross multiply
    18,585.19x = 27,879.76 × 5,437.63
  4. Step 4: Simplify right side
    18,585.19x = 151,599,819.37
  5. Step 5: Solve for x
    x = 151,599,819.37/18,585.19
  6. Step 6: Final answer
    x = 8,157.02

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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.