Home / 19,852.83-29,782.89-7,381.46

Finding the Fourth Proportional to 19,852.83, 29,782.89 and 7,381.46

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Solution

The fourth proportional to 19,852.83, 29,782.89 and 7,381.46 is: 11,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.83 : 29,782.89 = 7,381.46 : x
  2. Step 2: Convert to fraction form
    19,852.83/29,782.89 = 7,381.46/x
  3. Step 3: Cross multiply
    19,852.83x = 29,782.89 × 7,381.46
  4. Step 4: Simplify right side
    19,852.83x = 219,841,285.68
  5. Step 5: Solve for x
    x = 219,841,285.68/19,852.83
  6. Step 6: Final answer
    x = 11,073.55

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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.