Home / 11,827.36-17,740.40-4,431.29

Finding the Fourth Proportional to 11,827.36, 17,740.40 and 4,431.29

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Solution

The fourth proportional to 11,827.36, 17,740.40 and 4,431.29 is: 6,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.36 : 17,740.40 = 4,431.29 : x
  2. Step 2: Convert to fraction form
    11,827.36/17,740.40 = 4,431.29/x
  3. Step 3: Cross multiply
    11,827.36x = 17,740.40 × 4,431.29
  4. Step 4: Simplify right side
    11,827.36x = 78,612,746.26
  5. Step 5: Solve for x
    x = 78,612,746.26/11,827.36
  6. Step 6: Final answer
    x = 6,646.69

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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.