Home / 13,147.24-19,708.08-5,247.46

Finding the Fourth Proportional to 13,147.24, 19,708.08 and 5,247.46

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Solution

The fourth proportional to 13,147.24, 19,708.08 and 5,247.46 is: 7,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.24 : 19,708.08 = 5,247.46 : x
  2. Step 2: Convert to fraction form
    13,147.24/19,708.08 = 5,247.46/x
  3. Step 3: Cross multiply
    13,147.24x = 19,708.08 × 5,247.46
  4. Step 4: Simplify right side
    13,147.24x = 103,417,361.48
  5. Step 5: Solve for x
    x = 103,417,361.48/13,147.24
  6. Step 6: Final answer
    x = 7,866.09

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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.