Home / 10,040-15,060.36-3,114.32

Finding the Fourth Proportional to 10,040, 15,060.36 and 3,114.32

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Solution

The fourth proportional to 10,040, 15,060.36 and 3,114.32 is: 4,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040 : 15,060.36 = 3,114.32 : x
  2. Step 2: Convert to fraction form
    10,040/15,060.36 = 3,114.32/x
  3. Step 3: Cross multiply
    10,040x = 15,060.36 × 3,114.32
  4. Step 4: Simplify right side
    10,040x = 46,902,780.36
  5. Step 5: Solve for x
    x = 46,902,780.36/10,040
  6. Step 6: Final answer
    x = 4,671.59

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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.