Home / 14,967.23-20,647.19-11,424.29

Finding the Fourth Proportional to 14,967.23, 20,647.19 and 11,424.29

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Solution

The fourth proportional to 14,967.23, 20,647.19 and 11,424.29 is: 15,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.23 : 20,647.19 = 11,424.29 : x
  2. Step 2: Convert to fraction form
    14,967.23/20,647.19 = 11,424.29/x
  3. Step 3: Cross multiply
    14,967.23x = 20,647.19 × 11,424.29
  4. Step 4: Simplify right side
    14,967.23x = 235,879,486.25
  5. Step 5: Solve for x
    x = 235,879,486.25/14,967.23
  6. Step 6: Final answer
    x = 15,759.73

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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.