Home / 14,130.20-19,499.31-7,756.76

Finding the Fourth Proportional to 14,130.20, 19,499.31 and 7,756.76

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Solution

The fourth proportional to 14,130.20, 19,499.31 and 7,756.76 is: 10,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.20 : 19,499.31 = 7,756.76 : x
  2. Step 2: Convert to fraction form
    14,130.20/19,499.31 = 7,756.76/x
  3. Step 3: Cross multiply
    14,130.20x = 19,499.31 × 7,756.76
  4. Step 4: Simplify right side
    14,130.20x = 151,251,370.34
  5. Step 5: Solve for x
    x = 151,251,370.34/14,130.20
  6. Step 6: Final answer
    x = 10,704.12

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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.