Home / 14,646.89-21,970.33-3,553.48

Finding the Fourth Proportional to 14,646.89, 21,970.33 and 3,553.48

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Solution

The fourth proportional to 14,646.89, 21,970.33 and 3,553.48 is: 5,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.89 : 21,970.33 = 3,553.48 : x
  2. Step 2: Convert to fraction form
    14,646.89/21,970.33 = 3,553.48/x
  3. Step 3: Cross multiply
    14,646.89x = 21,970.33 × 3,553.48
  4. Step 4: Simplify right side
    14,646.89x = 78,071,128.25
  5. Step 5: Solve for x
    x = 78,071,128.25/14,646.89
  6. Step 6: Final answer
    x = 5,330.22

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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.