Home / 13,867.07-19,142.89-8,838.19

Finding the Fourth Proportional to 13,867.07, 19,142.89 and 8,838.19

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Solution

The fourth proportional to 13,867.07, 19,142.89 and 8,838.19 is: 12,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.07 : 19,142.89 = 8,838.19 : x
  2. Step 2: Convert to fraction form
    13,867.07/19,142.89 = 8,838.19/x
  3. Step 3: Cross multiply
    13,867.07x = 19,142.89 × 8,838.19
  4. Step 4: Simplify right side
    13,867.07x = 169,188,429.02
  5. Step 5: Solve for x
    x = 169,188,429.02/13,867.07
  6. Step 6: Final answer
    x = 12,200.73

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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.