Home / 14,666.44-20,240.76-8,378.68

Finding the Fourth Proportional to 14,666.44, 20,240.76 and 8,378.68

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Solution

The fourth proportional to 14,666.44, 20,240.76 and 8,378.68 is: 11,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.44 : 20,240.76 = 8,378.68 : x
  2. Step 2: Convert to fraction form
    14,666.44/20,240.76 = 8,378.68/x
  3. Step 3: Cross multiply
    14,666.44x = 20,240.76 × 8,378.68
  4. Step 4: Simplify right side
    14,666.44x = 169,590,851.00
  5. Step 5: Solve for x
    x = 169,590,851.00/14,666.44
  6. Step 6: Final answer
    x = 11,563.19

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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.