Home / 19,825.20-29,731.32-6,674.45

Finding the Fourth Proportional to 19,825.20, 29,731.32 and 6,674.45

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Solution

The fourth proportional to 19,825.20, 29,731.32 and 6,674.45 is: 10,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.20 : 29,731.32 = 6,674.45 : x
  2. Step 2: Convert to fraction form
    19,825.20/29,731.32 = 6,674.45/x
  3. Step 3: Cross multiply
    19,825.20x = 29,731.32 × 6,674.45
  4. Step 4: Simplify right side
    19,825.20x = 198,440,060.12
  5. Step 5: Solve for x
    x = 198,440,060.12/19,825.20
  6. Step 6: Final answer
    x = 10,009.49

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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.