Home / 13,869.93-19,134.73-9,091.04

Finding the Fourth Proportional to 13,869.93, 19,134.73 and 9,091.04

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Solution

The fourth proportional to 13,869.93, 19,134.73 and 9,091.04 is: 12,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.93 : 19,134.73 = 9,091.04 : x
  2. Step 2: Convert to fraction form
    13,869.93/19,134.73 = 9,091.04/x
  3. Step 3: Cross multiply
    13,869.93x = 19,134.73 × 9,091.04
  4. Step 4: Simplify right side
    13,869.93x = 173,954,511.51
  5. Step 5: Solve for x
    x = 173,954,511.51/13,869.93
  6. Step 6: Final answer
    x = 12,541.84

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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.