Home / 12,831.48-19,238.94-5,041.08

Finding the Fourth Proportional to 12,831.48, 19,238.94 and 5,041.08

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Solution

The fourth proportional to 12,831.48, 19,238.94 and 5,041.08 is: 7,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.48 : 19,238.94 = 5,041.08 : x
  2. Step 2: Convert to fraction form
    12,831.48/19,238.94 = 5,041.08/x
  3. Step 3: Cross multiply
    12,831.48x = 19,238.94 × 5,041.08
  4. Step 4: Simplify right side
    12,831.48x = 96,985,035.66
  5. Step 5: Solve for x
    x = 96,985,035.66/12,831.48
  6. Step 6: Final answer
    x = 7,558.37

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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.