Home / 22,558.83-31,133.51-12,999.08

Finding the Fourth Proportional to 22,558.83, 31,133.51 and 12,999.08

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Solution

The fourth proportional to 22,558.83, 31,133.51 and 12,999.08 is: 17,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.83 : 31,133.51 = 12,999.08 : x
  2. Step 2: Convert to fraction form
    22,558.83/31,133.51 = 12,999.08/x
  3. Step 3: Cross multiply
    22,558.83x = 31,133.51 × 12,999.08
  4. Step 4: Simplify right side
    22,558.83x = 404,706,987.17
  5. Step 5: Solve for x
    x = 404,706,987.17/22,558.83
  6. Step 6: Final answer
    x = 17,940.07

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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.