Home / 21,359.61-29,484.68-14,090.54

Finding the Fourth Proportional to 21,359.61, 29,484.68 and 14,090.54

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Solution

The fourth proportional to 21,359.61, 29,484.68 and 14,090.54 is: 19,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.61 : 29,484.68 = 14,090.54 : x
  2. Step 2: Convert to fraction form
    21,359.61/29,484.68 = 14,090.54/x
  3. Step 3: Cross multiply
    21,359.61x = 29,484.68 × 14,090.54
  4. Step 4: Simplify right side
    21,359.61x = 415,454,845.05
  5. Step 5: Solve for x
    x = 415,454,845.05/21,359.61
  6. Step 6: Final answer
    x = 19,450.49

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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.