Home / 12,905.56-19,365.36-8,525.08

Finding the Fourth Proportional to 12,905.56, 19,365.36 and 8,525.08

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Solution

The fourth proportional to 12,905.56, 19,365.36 and 8,525.08 is: 12,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.56 : 19,365.36 = 8,525.08 : x
  2. Step 2: Convert to fraction form
    12,905.56/19,365.36 = 8,525.08/x
  3. Step 3: Cross multiply
    12,905.56x = 19,365.36 × 8,525.08
  4. Step 4: Simplify right side
    12,905.56x = 165,091,243.23
  5. Step 5: Solve for x
    x = 165,091,243.23/12,905.56
  6. Step 6: Final answer
    x = 12,792.26

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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.