Home / 14,436.91-19,922.99-8,468.70

Finding the Fourth Proportional to 14,436.91, 19,922.99 and 8,468.70

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Solution

The fourth proportional to 14,436.91, 19,922.99 and 8,468.70 is: 11,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.91 : 19,922.99 = 8,468.70 : x
  2. Step 2: Convert to fraction form
    14,436.91/19,922.99 = 8,468.70/x
  3. Step 3: Cross multiply
    14,436.91x = 19,922.99 × 8,468.70
  4. Step 4: Simplify right side
    14,436.91x = 168,721,825.41
  5. Step 5: Solve for x
    x = 168,721,825.41/14,436.91
  6. Step 6: Final answer
    x = 11,686.84

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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.