Home / 13,998.88-19,317.45-8,030.40

Finding the Fourth Proportional to 13,998.88, 19,317.45 and 8,030.40

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Solution

The fourth proportional to 13,998.88, 19,317.45 and 8,030.40 is: 11,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.88 : 19,317.45 = 8,030.40 : x
  2. Step 2: Convert to fraction form
    13,998.88/19,317.45 = 8,030.40/x
  3. Step 3: Cross multiply
    13,998.88x = 19,317.45 × 8,030.40
  4. Step 4: Simplify right side
    13,998.88x = 155,126,850.48
  5. Step 5: Solve for x
    x = 155,126,850.48/13,998.88
  6. Step 6: Final answer
    x = 11,081.38

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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.