Home / 13,112.76-19,672.02-5,325.24

Finding the Fourth Proportional to 13,112.76, 19,672.02 and 5,325.24

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Solution

The fourth proportional to 13,112.76, 19,672.02 and 5,325.24 is: 7,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.76 : 19,672.02 = 5,325.24 : x
  2. Step 2: Convert to fraction form
    13,112.76/19,672.02 = 5,325.24/x
  3. Step 3: Cross multiply
    13,112.76x = 19,672.02 × 5,325.24
  4. Step 4: Simplify right side
    13,112.76x = 104,758,227.78
  5. Step 5: Solve for x
    x = 104,758,227.78/13,112.76
  6. Step 6: Final answer
    x = 7,989.03

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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.