Home / 13,256.00-19,882.96-7,705.80

Finding the Fourth Proportional to 13,256.00, 19,882.96 and 7,705.80

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Solution

The fourth proportional to 13,256.00, 19,882.96 and 7,705.80 is: 11,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.00 : 19,882.96 = 7,705.80 : x
  2. Step 2: Convert to fraction form
    13,256.00/19,882.96 = 7,705.80/x
  3. Step 3: Cross multiply
    13,256.00x = 19,882.96 × 7,705.80
  4. Step 4: Simplify right side
    13,256.00x = 153,214,013.75
  5. Step 5: Solve for x
    x = 153,214,013.75/13,256.00
  6. Step 6: Final answer
    x = 11,558.09

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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.