Home / 19,373.75-26,731.60-12,669.22

Finding the Fourth Proportional to 19,373.75, 26,731.60 and 12,669.22

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Solution

The fourth proportional to 19,373.75, 26,731.60 and 12,669.22 is: 17,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.75 : 26,731.60 = 12,669.22 : x
  2. Step 2: Convert to fraction form
    19,373.75/26,731.60 = 12,669.22/x
  3. Step 3: Cross multiply
    19,373.75x = 26,731.60 × 12,669.22
  4. Step 4: Simplify right side
    19,373.75x = 338,668,521.35
  5. Step 5: Solve for x
    x = 338,668,521.35/19,373.75
  6. Step 6: Final answer
    x = 17,480.79

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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.