Home / 19,826.51-29,745.25-9,156.13

Finding the Fourth Proportional to 19,826.51, 29,745.25 and 9,156.13

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Solution

The fourth proportional to 19,826.51, 29,745.25 and 9,156.13 is: 13,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.51 : 29,745.25 = 9,156.13 : x
  2. Step 2: Convert to fraction form
    19,826.51/29,745.25 = 9,156.13/x
  3. Step 3: Cross multiply
    19,826.51x = 29,745.25 × 9,156.13
  4. Step 4: Simplify right side
    19,826.51x = 272,351,250.05
  5. Step 5: Solve for x
    x = 272,351,250.05/19,826.51
  6. Step 6: Final answer
    x = 13,736.72

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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.