Home / 15,558.89-21,471.80-8,844.26

Finding the Fourth Proportional to 15,558.89, 21,471.80 and 8,844.26

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Solution

The fourth proportional to 15,558.89, 21,471.80 and 8,844.26 is: 12,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.89 : 21,471.80 = 8,844.26 : x
  2. Step 2: Convert to fraction form
    15,558.89/21,471.80 = 8,844.26/x
  3. Step 3: Cross multiply
    15,558.89x = 21,471.80 × 8,844.26
  4. Step 4: Simplify right side
    15,558.89x = 189,902,030.29
  5. Step 5: Solve for x
    x = 189,902,030.29/15,558.89
  6. Step 6: Final answer
    x = 12,205.38

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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.