Home / 13,923.06-19,216.72-12,802.22

Finding the Fourth Proportional to 13,923.06, 19,216.72 and 12,802.22

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Solution

The fourth proportional to 13,923.06, 19,216.72 and 12,802.22 is: 17,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.06 : 19,216.72 = 12,802.22 : x
  2. Step 2: Convert to fraction form
    13,923.06/19,216.72 = 12,802.22/x
  3. Step 3: Cross multiply
    13,923.06x = 19,216.72 × 12,802.22
  4. Step 4: Simplify right side
    13,923.06x = 246,016,677.12
  5. Step 5: Solve for x
    x = 246,016,677.12/13,923.06
  6. Step 6: Final answer
    x = 17,669.73

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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.