Home / 18,681.48-28,004.94-7,002.36

Finding the Fourth Proportional to 18,681.48, 28,004.94 and 7,002.36

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Solution

The fourth proportional to 18,681.48, 28,004.94 and 7,002.36 is: 10,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.48 : 28,004.94 = 7,002.36 : x
  2. Step 2: Convert to fraction form
    18,681.48/28,004.94 = 7,002.36/x
  3. Step 3: Cross multiply
    18,681.48x = 28,004.94 × 7,002.36
  4. Step 4: Simplify right side
    18,681.48x = 196,100,671.66
  5. Step 5: Solve for x
    x = 196,100,671.66/18,681.48
  6. Step 6: Final answer
    x = 10,497.06

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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.