Home / 10,415.07-14,372.79-5,699.35

Finding the Fourth Proportional to 10,415.07, 14,372.79 and 5,699.35

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Solution

The fourth proportional to 10,415.07, 14,372.79 and 5,699.35 is: 7,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.07 : 14,372.79 = 5,699.35 : x
  2. Step 2: Convert to fraction form
    10,415.07/14,372.79 = 5,699.35/x
  3. Step 3: Cross multiply
    10,415.07x = 14,372.79 × 5,699.35
  4. Step 4: Simplify right side
    10,415.07x = 81,915,488.82
  5. Step 5: Solve for x
    x = 81,915,488.82/10,415.07
  6. Step 6: Final answer
    x = 7,865.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.