Home / 14,719.68-20,313.20-8,005.36

Finding the Fourth Proportional to 14,719.68, 20,313.20 and 8,005.36

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Solution

The fourth proportional to 14,719.68, 20,313.20 and 8,005.36 is: 11,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.68 : 20,313.20 = 8,005.36 : x
  2. Step 2: Convert to fraction form
    14,719.68/20,313.20 = 8,005.36/x
  3. Step 3: Cross multiply
    14,719.68x = 20,313.20 × 8,005.36
  4. Step 4: Simplify right side
    14,719.68x = 162,614,478.75
  5. Step 5: Solve for x
    x = 162,614,478.75/14,719.68
  6. Step 6: Final answer
    x = 11,047.42

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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.