Home / 22,840.92-31,518.74-13,887.18

Finding the Fourth Proportional to 22,840.92, 31,518.74 and 13,887.18

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Solution

The fourth proportional to 22,840.92, 31,518.74 and 13,887.18 is: 19,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,840.92 : 31,518.74 = 13,887.18 : x
  2. Step 2: Convert to fraction form
    22,840.92/31,518.74 = 13,887.18/x
  3. Step 3: Cross multiply
    22,840.92x = 31,518.74 × 13,887.18
  4. Step 4: Simplify right side
    22,840.92x = 437,706,415.75
  5. Step 5: Solve for x
    x = 437,706,415.75/22,840.92
  6. Step 6: Final answer
    x = 19,163.26

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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.