Home / 15,698.16-23,660.12-13,533.03

Finding the Fourth Proportional to 15,698.16, 23,660.12 and 13,533.03

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Solution

The fourth proportional to 15,698.16, 23,660.12 and 13,533.03 is: 20,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.16 : 23,660.12 = 13,533.03 : x
  2. Step 2: Convert to fraction form
    15,698.16/23,660.12 = 13,533.03/x
  3. Step 3: Cross multiply
    15,698.16x = 23,660.12 × 13,533.03
  4. Step 4: Simplify right side
    15,698.16x = 320,193,147.60
  5. Step 5: Solve for x
    x = 320,193,147.60/15,698.16
  6. Step 6: Final answer
    x = 20,396.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.