Home / 13,904.06-19,173.22-9,659.93

Finding the Fourth Proportional to 13,904.06, 19,173.22 and 9,659.93

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Solution

The fourth proportional to 13,904.06, 19,173.22 and 9,659.93 is: 13,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.06 : 19,173.22 = 9,659.93 : x
  2. Step 2: Convert to fraction form
    13,904.06/19,173.22 = 9,659.93/x
  3. Step 3: Cross multiply
    13,904.06x = 19,173.22 × 9,659.93
  4. Step 4: Simplify right side
    13,904.06x = 185,211,963.07
  5. Step 5: Solve for x
    x = 185,211,963.07/13,904.06
  6. Step 6: Final answer
    x = 13,320.71

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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.