Home / 11,783.68-17,670.96-4,386.45

Finding the Fourth Proportional to 11,783.68, 17,670.96 and 4,386.45

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Solution

The fourth proportional to 11,783.68, 17,670.96 and 4,386.45 is: 6,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.68 : 17,670.96 = 4,386.45 : x
  2. Step 2: Convert to fraction form
    11,783.68/17,670.96 = 4,386.45/x
  3. Step 3: Cross multiply
    11,783.68x = 17,670.96 × 4,386.45
  4. Step 4: Simplify right side
    11,783.68x = 77,512,848.76
  5. Step 5: Solve for x
    x = 77,512,848.76/11,783.68
  6. Step 6: Final answer
    x = 6,577.98

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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.