Home / 19,396.68-26,765.34-13,021.98

Finding the Fourth Proportional to 19,396.68, 26,765.34 and 13,021.98

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Solution

The fourth proportional to 19,396.68, 26,765.34 and 13,021.98 is: 17,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.68 : 26,765.34 = 13,021.98 : x
  2. Step 2: Convert to fraction form
    19,396.68/26,765.34 = 13,021.98/x
  3. Step 3: Cross multiply
    19,396.68x = 26,765.34 × 13,021.98
  4. Step 4: Simplify right side
    19,396.68x = 348,537,722.17
  5. Step 5: Solve for x
    x = 348,537,722.17/19,396.68
  6. Step 6: Final answer
    x = 17,968.94

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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.