Home / 19,961.88-29,926.02-13,368.12

Finding the Fourth Proportional to 19,961.88, 29,926.02 and 13,368.12

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Solution

The fourth proportional to 19,961.88, 29,926.02 and 13,368.12 is: 20,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.88 : 29,926.02 = 13,368.12 : x
  2. Step 2: Convert to fraction form
    19,961.88/29,926.02 = 13,368.12/x
  3. Step 3: Cross multiply
    19,961.88x = 29,926.02 × 13,368.12
  4. Step 4: Simplify right side
    19,961.88x = 400,054,626.48
  5. Step 5: Solve for x
    x = 400,054,626.48/19,961.88
  6. Step 6: Final answer
    x = 20,040.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.