Home / 19,820.16-29,734.79-6,672.18

Finding the Fourth Proportional to 19,820.16, 29,734.79 and 6,672.18

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Solution

The fourth proportional to 19,820.16, 29,734.79 and 6,672.18 is: 10,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.16 : 29,734.79 = 6,672.18 : x
  2. Step 2: Convert to fraction form
    19,820.16/29,734.79 = 6,672.18/x
  3. Step 3: Cross multiply
    19,820.16x = 29,734.79 × 6,672.18
  4. Step 4: Simplify right side
    19,820.16x = 198,395,871.14
  5. Step 5: Solve for x
    x = 198,395,871.14/19,820.16
  6. Step 6: Final answer
    x = 10,009.80

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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.