Home / 19,831.25-29,748.09-5,980.25

Finding the Fourth Proportional to 19,831.25, 29,748.09 and 5,980.25

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Solution

The fourth proportional to 19,831.25, 29,748.09 and 5,980.25 is: 8,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.25 : 29,748.09 = 5,980.25 : x
  2. Step 2: Convert to fraction form
    19,831.25/29,748.09 = 5,980.25/x
  3. Step 3: Cross multiply
    19,831.25x = 29,748.09 × 5,980.25
  4. Step 4: Simplify right side
    19,831.25x = 177,901,015.22
  5. Step 5: Solve for x
    x = 177,901,015.22/19,831.25
  6. Step 6: Final answer
    x = 8,970.74

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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.