Home / 12,835.36-19,245-5,035.12

Finding the Fourth Proportional to 12,835.36, 19,245 and 5,035.12

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Solution

The fourth proportional to 12,835.36, 19,245 and 5,035.12 is: 7,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.36 : 19,245 = 5,035.12 : x
  2. Step 2: Convert to fraction form
    12,835.36/19,245 = 5,035.12/x
  3. Step 3: Cross multiply
    12,835.36x = 19,245 × 5,035.12
  4. Step 4: Simplify right side
    12,835.36x = 96,900,884.40
  5. Step 5: Solve for x
    x = 96,900,884.40/12,835.36
  6. Step 6: Final answer
    x = 7,549.53

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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.