Home / 13,093.02-19,629.72-7,897.68

Finding the Fourth Proportional to 13,093.02, 19,629.72 and 7,897.68

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Solution

The fourth proportional to 13,093.02, 19,629.72 and 7,897.68 is: 11,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.02 : 19,629.72 = 7,897.68 : x
  2. Step 2: Convert to fraction form
    13,093.02/19,629.72 = 7,897.68/x
  3. Step 3: Cross multiply
    13,093.02x = 19,629.72 × 7,897.68
  4. Step 4: Simplify right side
    13,093.02x = 155,029,247.05
  5. Step 5: Solve for x
    x = 155,029,247.05/13,093.02
  6. Step 6: Final answer
    x = 11,840.60

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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.