Home / 19,945.95-29,921.66-8,852.39

Finding the Fourth Proportional to 19,945.95, 29,921.66 and 8,852.39

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Solution

The fourth proportional to 19,945.95, 29,921.66 and 8,852.39 is: 13,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.95 : 29,921.66 = 8,852.39 : x
  2. Step 2: Convert to fraction form
    19,945.95/29,921.66 = 8,852.39/x
  3. Step 3: Cross multiply
    19,945.95x = 29,921.66 × 8,852.39
  4. Step 4: Simplify right side
    19,945.95x = 264,878,203.77
  5. Step 5: Solve for x
    x = 264,878,203.77/19,945.95
  6. Step 6: Final answer
    x = 13,279.80

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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.