Home / 13,107.06-19,646.75-9,407.29

Finding the Fourth Proportional to 13,107.06, 19,646.75 and 9,407.29

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Solution

The fourth proportional to 13,107.06, 19,646.75 and 9,407.29 is: 14,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.06 : 19,646.75 = 9,407.29 : x
  2. Step 2: Convert to fraction form
    13,107.06/19,646.75 = 9,407.29/x
  3. Step 3: Cross multiply
    13,107.06x = 19,646.75 × 9,407.29
  4. Step 4: Simplify right side
    13,107.06x = 184,822,529.54
  5. Step 5: Solve for x
    x = 184,822,529.54/13,107.06
  6. Step 6: Final answer
    x = 14,100.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.