Home / 13,303.45-18,357.35-7,334.76

Finding the Fourth Proportional to 13,303.45, 18,357.35 and 7,334.76

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Solution

The fourth proportional to 13,303.45, 18,357.35 and 7,334.76 is: 10,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.45 : 18,357.35 = 7,334.76 : x
  2. Step 2: Convert to fraction form
    13,303.45/18,357.35 = 7,334.76/x
  3. Step 3: Cross multiply
    13,303.45x = 18,357.35 × 7,334.76
  4. Step 4: Simplify right side
    13,303.45x = 134,646,756.49
  5. Step 5: Solve for x
    x = 134,646,756.49/13,303.45
  6. Step 6: Final answer
    x = 10,121.19

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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.