Home / 14,476.52-21,728.16-8,940.70

Finding the Fourth Proportional to 14,476.52, 21,728.16 and 8,940.70

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Solution

The fourth proportional to 14,476.52, 21,728.16 and 8,940.70 is: 13,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.52 : 21,728.16 = 8,940.70 : x
  2. Step 2: Convert to fraction form
    14,476.52/21,728.16 = 8,940.70/x
  3. Step 3: Cross multiply
    14,476.52x = 21,728.16 × 8,940.70
  4. Step 4: Simplify right side
    14,476.52x = 194,264,960.11
  5. Step 5: Solve for x
    x = 194,264,960.11/14,476.52
  6. Step 6: Final answer
    x = 13,419.31

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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.