Home / 13,992.23-19,308.64-8,019.70

Finding the Fourth Proportional to 13,992.23, 19,308.64 and 8,019.70

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Solution

The fourth proportional to 13,992.23, 19,308.64 and 8,019.70 is: 11,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.23 : 19,308.64 = 8,019.70 : x
  2. Step 2: Convert to fraction form
    13,992.23/19,308.64 = 8,019.70/x
  3. Step 3: Cross multiply
    13,992.23x = 19,308.64 × 8,019.70
  4. Step 4: Simplify right side
    13,992.23x = 154,849,403.66
  5. Step 5: Solve for x
    x = 154,849,403.66/13,992.23
  6. Step 6: Final answer
    x = 11,066.81

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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.