Home / 22,675.64-31,290.59-12,603.29

Finding the Fourth Proportional to 22,675.64, 31,290.59 and 12,603.29

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Solution

The fourth proportional to 22,675.64, 31,290.59 and 12,603.29 is: 17,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.64 : 31,290.59 = 12,603.29 : x
  2. Step 2: Convert to fraction form
    22,675.64/31,290.59 = 12,603.29/x
  3. Step 3: Cross multiply
    22,675.64x = 31,290.59 × 12,603.29
  4. Step 4: Simplify right side
    22,675.64x = 394,364,317.02
  5. Step 5: Solve for x
    x = 394,364,317.02/22,675.64
  6. Step 6: Final answer
    x = 17,391.54

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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.