Home / 10,668.54-14,719.01-6,190.68

Finding the Fourth Proportional to 10,668.54, 14,719.01 and 6,190.68

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Solution

The fourth proportional to 10,668.54, 14,719.01 and 6,190.68 is: 8,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.54 : 14,719.01 = 6,190.68 : x
  2. Step 2: Convert to fraction form
    10,668.54/14,719.01 = 6,190.68/x
  3. Step 3: Cross multiply
    10,668.54x = 14,719.01 × 6,190.68
  4. Step 4: Simplify right side
    10,668.54x = 91,120,649.87
  5. Step 5: Solve for x
    x = 91,120,649.87/10,668.54
  6. Step 6: Final answer
    x = 8,541.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.