Home / 12,308.03-16,985.07-6,719.03

Finding the Fourth Proportional to 12,308.03, 16,985.07 and 6,719.03

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Solution

The fourth proportional to 12,308.03, 16,985.07 and 6,719.03 is: 9,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.03 : 16,985.07 = 6,719.03 : x
  2. Step 2: Convert to fraction form
    12,308.03/16,985.07 = 6,719.03/x
  3. Step 3: Cross multiply
    12,308.03x = 16,985.07 × 6,719.03
  4. Step 4: Simplify right side
    12,308.03x = 114,123,109.96
  5. Step 5: Solve for x
    x = 114,123,109.96/12,308.03
  6. Step 6: Final answer
    x = 9,272.25

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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.