Home / 14,133.76-19,502.31-8,166.22

Finding the Fourth Proportional to 14,133.76, 19,502.31 and 8,166.22

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Solution

The fourth proportional to 14,133.76, 19,502.31 and 8,166.22 is: 11,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.76 : 19,502.31 = 8,166.22 : x
  2. Step 2: Convert to fraction form
    14,133.76/19,502.31 = 8,166.22/x
  3. Step 3: Cross multiply
    14,133.76x = 19,502.31 × 8,166.22
  4. Step 4: Simplify right side
    14,133.76x = 159,260,135.84
  5. Step 5: Solve for x
    x = 159,260,135.84/14,133.76
  6. Step 6: Final answer
    x = 11,268.07

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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.