Home / 14,980.74-20,673.49-8,266.56

Finding the Fourth Proportional to 14,980.74, 20,673.49 and 8,266.56

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Solution

The fourth proportional to 14,980.74, 20,673.49 and 8,266.56 is: 11,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.74 : 20,673.49 = 8,266.56 : x
  2. Step 2: Convert to fraction form
    14,980.74/20,673.49 = 8,266.56/x
  3. Step 3: Cross multiply
    14,980.74x = 20,673.49 × 8,266.56
  4. Step 4: Simplify right side
    14,980.74x = 170,898,713.99
  5. Step 5: Solve for x
    x = 170,898,713.99/14,980.74
  6. Step 6: Final answer
    x = 11,407.90

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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.