Home / 10,116.12-13,960.66-5,579

Finding the Fourth Proportional to 10,116.12, 13,960.66 and 5,579

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Solution

The fourth proportional to 10,116.12, 13,960.66 and 5,579 is: 7,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.12 : 13,960.66 = 5,579 : x
  2. Step 2: Convert to fraction form
    10,116.12/13,960.66 = 5,579/x
  3. Step 3: Cross multiply
    10,116.12x = 13,960.66 × 5,579
  4. Step 4: Simplify right side
    10,116.12x = 77,886,522.14
  5. Step 5: Solve for x
    x = 77,886,522.14/10,116.12
  6. Step 6: Final answer
    x = 7,699.25

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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.