Home / 19,197.80-26,503.42-13,261.41

Finding the Fourth Proportional to 19,197.80, 26,503.42 and 13,261.41

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Solution

The fourth proportional to 19,197.80, 26,503.42 and 13,261.41 is: 18,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.80 : 26,503.42 = 13,261.41 : x
  2. Step 2: Convert to fraction form
    19,197.80/26,503.42 = 13,261.41/x
  3. Step 3: Cross multiply
    19,197.80x = 26,503.42 × 13,261.41
  4. Step 4: Simplify right side
    19,197.80x = 351,472,719.02
  5. Step 5: Solve for x
    x = 351,472,719.02/19,197.80
  6. Step 6: Final answer
    x = 18,307.97

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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.