Home / 13,066.24-18,027.43-7,400.08

Finding the Fourth Proportional to 13,066.24, 18,027.43 and 7,400.08

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Solution

The fourth proportional to 13,066.24, 18,027.43 and 7,400.08 is: 10,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.24 : 18,027.43 = 7,400.08 : x
  2. Step 2: Convert to fraction form
    13,066.24/18,027.43 = 7,400.08/x
  3. Step 3: Cross multiply
    13,066.24x = 18,027.43 × 7,400.08
  4. Step 4: Simplify right side
    13,066.24x = 133,404,478.51
  5. Step 5: Solve for x
    x = 133,404,478.51/13,066.24
  6. Step 6: Final answer
    x = 10,209.86

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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.