Home / 11,864.13-17,783.40-5,281.26

Finding the Fourth Proportional to 11,864.13, 17,783.40 and 5,281.26

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Solution

The fourth proportional to 11,864.13, 17,783.40 and 5,281.26 is: 7,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.13 : 17,783.40 = 5,281.26 : x
  2. Step 2: Convert to fraction form
    11,864.13/17,783.40 = 5,281.26/x
  3. Step 3: Cross multiply
    11,864.13x = 17,783.40 × 5,281.26
  4. Step 4: Simplify right side
    11,864.13x = 93,918,759.08
  5. Step 5: Solve for x
    x = 93,918,759.08/11,864.13
  6. Step 6: Final answer
    x = 7,916.19

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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.