Home / 14,720.27-20,313.54-8,347.44

Finding the Fourth Proportional to 14,720.27, 20,313.54 and 8,347.44

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Solution

The fourth proportional to 14,720.27, 20,313.54 and 8,347.44 is: 11,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.27 : 20,313.54 = 8,347.44 : x
  2. Step 2: Convert to fraction form
    14,720.27/20,313.54 = 8,347.44/x
  3. Step 3: Cross multiply
    14,720.27x = 20,313.54 × 8,347.44
  4. Step 4: Simplify right side
    14,720.27x = 169,566,056.34
  5. Step 5: Solve for x
    x = 169,566,056.34/14,720.27
  6. Step 6: Final answer
    x = 11,519.23

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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.