Home / 9,268.13-13,903.63-3,113.57

Finding the Fourth Proportional to 9,268.13, 13,903.63 and 3,113.57

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Solution

The fourth proportional to 9,268.13, 13,903.63 and 3,113.57 is: 4,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.13 : 13,903.63 = 3,113.57 : x
  2. Step 2: Convert to fraction form
    9,268.13/13,903.63 = 3,113.57/x
  3. Step 3: Cross multiply
    9,268.13x = 13,903.63 × 3,113.57
  4. Step 4: Simplify right side
    9,268.13x = 43,289,925.26
  5. Step 5: Solve for x
    x = 43,289,925.26/9,268.13
  6. Step 6: Final answer
    x = 4,670.84

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1.5x scale

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.