Home / 12,647.04-18,968.16-10,196.16

Finding the Fourth Proportional to 12,647.04, 18,968.16 and 10,196.16

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Solution

The fourth proportional to 12,647.04, 18,968.16 and 10,196.16 is: 15,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.04 : 18,968.16 = 10,196.16 : x
  2. Step 2: Convert to fraction form
    12,647.04/18,968.16 = 10,196.16/x
  3. Step 3: Cross multiply
    12,647.04x = 18,968.16 × 10,196.16
  4. Step 4: Simplify right side
    12,647.04x = 193,402,394.27
  5. Step 5: Solve for x
    x = 193,402,394.27/12,647.04
  6. Step 6: Final answer
    x = 15,292.31

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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.