Home / 22,330.89-30,817.77-12,259.26

Finding the Fourth Proportional to 22,330.89, 30,817.77 and 12,259.26

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Solution

The fourth proportional to 22,330.89, 30,817.77 and 12,259.26 is: 16,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.89 : 30,817.77 = 12,259.26 : x
  2. Step 2: Convert to fraction form
    22,330.89/30,817.77 = 12,259.26/x
  3. Step 3: Cross multiply
    22,330.89x = 30,817.77 × 12,259.26
  4. Step 4: Simplify right side
    22,330.89x = 377,803,055.05
  5. Step 5: Solve for x
    x = 377,803,055.05/22,330.89
  6. Step 6: Final answer
    x = 16,918.41

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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.