Home / 15,389.28-23,080.60-4,860.12

Finding the Fourth Proportional to 15,389.28, 23,080.60 and 4,860.12

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Solution

The fourth proportional to 15,389.28, 23,080.60 and 4,860.12 is: 7,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.28 : 23,080.60 = 4,860.12 : x
  2. Step 2: Convert to fraction form
    15,389.28/23,080.60 = 4,860.12/x
  3. Step 3: Cross multiply
    15,389.28x = 23,080.60 × 4,860.12
  4. Step 4: Simplify right side
    15,389.28x = 112,174,485.67
  5. Step 5: Solve for x
    x = 112,174,485.67/15,389.28
  6. Step 6: Final answer
    x = 7,289.13

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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.