Home / 13,056.19-19,584.29-7,894.87

Finding the Fourth Proportional to 13,056.19, 19,584.29 and 7,894.87

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Solution

The fourth proportional to 13,056.19, 19,584.29 and 7,894.87 is: 11,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.19 : 19,584.29 = 7,894.87 : x
  2. Step 2: Convert to fraction form
    13,056.19/19,584.29 = 7,894.87/x
  3. Step 3: Cross multiply
    13,056.19x = 19,584.29 × 7,894.87
  4. Step 4: Simplify right side
    13,056.19x = 154,615,423.59
  5. Step 5: Solve for x
    x = 154,615,423.59/13,056.19
  6. Step 6: Final answer
    x = 11,842.31

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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.