Home / 18,968.08-26,172.05-10,900.18

Finding the Fourth Proportional to 18,968.08, 26,172.05 and 10,900.18

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Solution

The fourth proportional to 18,968.08, 26,172.05 and 10,900.18 is: 15,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.08 : 26,172.05 = 10,900.18 : x
  2. Step 2: Convert to fraction form
    18,968.08/26,172.05 = 10,900.18/x
  3. Step 3: Cross multiply
    18,968.08x = 26,172.05 × 10,900.18
  4. Step 4: Simplify right side
    18,968.08x = 285,280,055.97
  5. Step 5: Solve for x
    x = 285,280,055.97/18,968.08
  6. Step 6: Final answer
    x = 15,040.01

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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.