Home / 10,077.07-15,109.74-7,410.25

Finding the Fourth Proportional to 10,077.07, 15,109.74 and 7,410.25

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Solution

The fourth proportional to 10,077.07, 15,109.74 and 7,410.25 is: 11,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.07 : 15,109.74 = 7,410.25 : x
  2. Step 2: Convert to fraction form
    10,077.07/15,109.74 = 7,410.25/x
  3. Step 3: Cross multiply
    10,077.07x = 15,109.74 × 7,410.25
  4. Step 4: Simplify right side
    10,077.07x = 111,966,950.84
  5. Step 5: Solve for x
    x = 111,966,950.84/10,077.07
  6. Step 6: Final answer
    x = 11,111.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.