Home / 10,415.13-15,628.91-4,176.51

Finding the Fourth Proportional to 10,415.13, 15,628.91 and 4,176.51

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Solution

The fourth proportional to 10,415.13, 15,628.91 and 4,176.51 is: 6,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.13 : 15,628.91 = 4,176.51 : x
  2. Step 2: Convert to fraction form
    10,415.13/15,628.91 = 4,176.51/x
  3. Step 3: Cross multiply
    10,415.13x = 15,628.91 × 4,176.51
  4. Step 4: Simplify right side
    10,415.13x = 65,274,278.02
  5. Step 5: Solve for x
    x = 65,274,278.02/10,415.13
  6. Step 6: Final answer
    x = 6,267.26

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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.