Home / 15,815.06-21,827.04-9,848.60

Finding the Fourth Proportional to 15,815.06, 21,827.04 and 9,848.60

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Solution

The fourth proportional to 15,815.06, 21,827.04 and 9,848.60 is: 13,592.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.06 : 21,827.04 = 9,848.60 : x
  2. Step 2: Convert to fraction form
    15,815.06/21,827.04 = 9,848.60/x
  3. Step 3: Cross multiply
    15,815.06x = 21,827.04 × 9,848.60
  4. Step 4: Simplify right side
    15,815.06x = 214,965,786.14
  5. Step 5: Solve for x
    x = 214,965,786.14/15,815.06
  6. Step 6: Final answer
    x = 13,592.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.