Home / 19,375.50-26,743.80-12,569.34

Finding the Fourth Proportional to 19,375.50, 26,743.80 and 12,569.34

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Solution

The fourth proportional to 19,375.50, 26,743.80 and 12,569.34 is: 17,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.50 : 26,743.80 = 12,569.34 : x
  2. Step 2: Convert to fraction form
    19,375.50/26,743.80 = 12,569.34/x
  3. Step 3: Cross multiply
    19,375.50x = 26,743.80 × 12,569.34
  4. Step 4: Simplify right side
    19,375.50x = 336,151,915.09
  5. Step 5: Solve for x
    x = 336,151,915.09/19,375.50
  6. Step 6: Final answer
    x = 17,349.33

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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.