Home / 13,228.93-19,827.75-5,817.88

Finding the Fourth Proportional to 13,228.93, 19,827.75 and 5,817.88

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Solution

The fourth proportional to 13,228.93, 19,827.75 and 5,817.88 is: 8,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.93 : 19,827.75 = 5,817.88 : x
  2. Step 2: Convert to fraction form
    13,228.93/19,827.75 = 5,817.88/x
  3. Step 3: Cross multiply
    13,228.93x = 19,827.75 × 5,817.88
  4. Step 4: Simplify right side
    13,228.93x = 115,355,470.17
  5. Step 5: Solve for x
    x = 115,355,470.17/13,228.93
  6. Step 6: Final answer
    x = 8,719.94

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1.5x scale

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.