Home / 13,502.36-18,630.25-7,833.81

Finding the Fourth Proportional to 13,502.36, 18,630.25 and 7,833.81

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Solution

The fourth proportional to 13,502.36, 18,630.25 and 7,833.81 is: 10,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.36 : 18,630.25 = 7,833.81 : x
  2. Step 2: Convert to fraction form
    13,502.36/18,630.25 = 7,833.81/x
  3. Step 3: Cross multiply
    13,502.36x = 18,630.25 × 7,833.81
  4. Step 4: Simplify right side
    13,502.36x = 145,945,933.10
  5. Step 5: Solve for x
    x = 145,945,933.10/13,502.36
  6. Step 6: Final answer
    x = 10,808.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.