Home / 10,645.31-15,967.98-4,072.16

Finding the Fourth Proportional to 10,645.31, 15,967.98 and 4,072.16

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Solution

The fourth proportional to 10,645.31, 15,967.98 and 4,072.16 is: 6,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.31 : 15,967.98 = 4,072.16 : x
  2. Step 2: Convert to fraction form
    10,645.31/15,967.98 = 4,072.16/x
  3. Step 3: Cross multiply
    10,645.31x = 15,967.98 × 4,072.16
  4. Step 4: Simplify right side
    10,645.31x = 65,024,089.60
  5. Step 5: Solve for x
    x = 65,024,089.60/10,645.31
  6. Step 6: Final answer
    x = 6,108.24

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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.