Home / 19,347.58-29,021.37-5,494.78

Finding the Fourth Proportional to 19,347.58, 29,021.37 and 5,494.78

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Solution

The fourth proportional to 19,347.58, 29,021.37 and 5,494.78 is: 8,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.58 : 29,021.37 = 5,494.78 : x
  2. Step 2: Convert to fraction form
    19,347.58/29,021.37 = 5,494.78/x
  3. Step 3: Cross multiply
    19,347.58x = 29,021.37 × 5,494.78
  4. Step 4: Simplify right side
    19,347.58x = 159,466,043.45
  5. Step 5: Solve for x
    x = 159,466,043.45/19,347.58
  6. Step 6: Final answer
    x = 8,242.17

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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.