Home / 19,427.67-29,139.57-6,280.11

Finding the Fourth Proportional to 19,427.67, 29,139.57 and 6,280.11

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Solution

The fourth proportional to 19,427.67, 29,139.57 and 6,280.11 is: 9,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.67 : 29,139.57 = 6,280.11 : x
  2. Step 2: Convert to fraction form
    19,427.67/29,139.57 = 6,280.11/x
  3. Step 3: Cross multiply
    19,427.67x = 29,139.57 × 6,280.11
  4. Step 4: Simplify right side
    19,427.67x = 182,999,704.95
  5. Step 5: Solve for x
    x = 182,999,704.95/19,427.67
  6. Step 6: Final answer
    x = 9,419.54

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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.