Home / 18,327.37-27,491.57-6,479.47

Finding the Fourth Proportional to 18,327.37, 27,491.57 and 6,479.47

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Solution

The fourth proportional to 18,327.37, 27,491.57 and 6,479.47 is: 9,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.37 : 27,491.57 = 6,479.47 : x
  2. Step 2: Convert to fraction form
    18,327.37/27,491.57 = 6,479.47/x
  3. Step 3: Cross multiply
    18,327.37x = 27,491.57 × 6,479.47
  4. Step 4: Simplify right side
    18,327.37x = 178,130,803.07
  5. Step 5: Solve for x
    x = 178,130,803.07/18,327.37
  6. Step 6: Final answer
    x = 9,719.39

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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.