Home / 14,726.24-20,324.98-8,438.60

Finding the Fourth Proportional to 14,726.24, 20,324.98 and 8,438.60

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Solution

The fourth proportional to 14,726.24, 20,324.98 and 8,438.60 is: 11,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.24 : 20,324.98 = 8,438.60 : x
  2. Step 2: Convert to fraction form
    14,726.24/20,324.98 = 8,438.60/x
  3. Step 3: Cross multiply
    14,726.24x = 20,324.98 × 8,438.60
  4. Step 4: Simplify right side
    14,726.24x = 171,514,376.23
  5. Step 5: Solve for x
    x = 171,514,376.23/14,726.24
  6. Step 6: Final answer
    x = 11,646.85

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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.