Home / 11,564.81-15,959.54-6,259.73

Finding the Fourth Proportional to 11,564.81, 15,959.54 and 6,259.73

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Solution

The fourth proportional to 11,564.81, 15,959.54 and 6,259.73 is: 8,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.81 : 15,959.54 = 6,259.73 : x
  2. Step 2: Convert to fraction form
    11,564.81/15,959.54 = 6,259.73/x
  3. Step 3: Cross multiply
    11,564.81x = 15,959.54 × 6,259.73
  4. Step 4: Simplify right side
    11,564.81x = 99,902,380.03
  5. Step 5: Solve for x
    x = 99,902,380.03/11,564.81
  6. Step 6: Final answer
    x = 8,638.48

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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.