Home / 19,146.21-26,428.98-11,191.02

Finding the Fourth Proportional to 19,146.21, 26,428.98 and 11,191.02

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Solution

The fourth proportional to 19,146.21, 26,428.98 and 11,191.02 is: 15,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.21 : 26,428.98 = 11,191.02 : x
  2. Step 2: Convert to fraction form
    19,146.21/26,428.98 = 11,191.02/x
  3. Step 3: Cross multiply
    19,146.21x = 26,428.98 × 11,191.02
  4. Step 4: Simplify right side
    19,146.21x = 295,767,243.76
  5. Step 5: Solve for x
    x = 295,767,243.76/19,146.21
  6. Step 6: Final answer
    x = 15,447.82

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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.