Home / 10,118.51-15,174.12-4,275.57

Finding the Fourth Proportional to 10,118.51, 15,174.12 and 4,275.57

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Solution

The fourth proportional to 10,118.51, 15,174.12 and 4,275.57 is: 6,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.51 : 15,174.12 = 4,275.57 : x
  2. Step 2: Convert to fraction form
    10,118.51/15,174.12 = 4,275.57/x
  3. Step 3: Cross multiply
    10,118.51x = 15,174.12 × 4,275.57
  4. Step 4: Simplify right side
    10,118.51x = 64,878,012.25
  5. Step 5: Solve for x
    x = 64,878,012.25/10,118.51
  6. Step 6: Final answer
    x = 6,411.81

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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.