Home / 9,143.07-13,716.58-2,903.58

Finding the Fourth Proportional to 9,143.07, 13,716.58 and 2,903.58

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Solution

The fourth proportional to 9,143.07, 13,716.58 and 2,903.58 is: 4,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.07 : 13,716.58 = 2,903.58 : x
  2. Step 2: Convert to fraction form
    9,143.07/13,716.58 = 2,903.58/x
  3. Step 3: Cross multiply
    9,143.07x = 13,716.58 × 2,903.58
  4. Step 4: Simplify right side
    9,143.07x = 39,827,180.10
  5. Step 5: Solve for x
    x = 39,827,180.10/9,143.07
  6. Step 6: Final answer
    x = 4,356.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.