Home / 15,821.60-23,710.48-13,469.36

Finding the Fourth Proportional to 15,821.60, 23,710.48 and 13,469.36

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Solution

The fourth proportional to 15,821.60, 23,710.48 and 13,469.36 is: 20,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.60 : 23,710.48 = 13,469.36 : x
  2. Step 2: Convert to fraction form
    15,821.60/23,710.48 = 13,469.36/x
  3. Step 3: Cross multiply
    15,821.60x = 23,710.48 × 13,469.36
  4. Step 4: Simplify right side
    15,821.60x = 319,364,990.89
  5. Step 5: Solve for x
    x = 319,364,990.89/15,821.60
  6. Step 6: Final answer
    x = 20,185.38

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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.