Home / 19,555.02-26,986.21-11,486.66

Finding the Fourth Proportional to 19,555.02, 26,986.21 and 11,486.66

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Solution

The fourth proportional to 19,555.02, 26,986.21 and 11,486.66 is: 15,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.02 : 26,986.21 = 11,486.66 : x
  2. Step 2: Convert to fraction form
    19,555.02/26,986.21 = 11,486.66/x
  3. Step 3: Cross multiply
    19,555.02x = 26,986.21 × 11,486.66
  4. Step 4: Simplify right side
    19,555.02x = 309,981,471.72
  5. Step 5: Solve for x
    x = 309,981,471.72/19,555.02
  6. Step 6: Final answer
    x = 15,851.76

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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.