Home / 19,829.16-29,742.12-6,681.24

Finding the Fourth Proportional to 19,829.16, 29,742.12 and 6,681.24

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Solution

The fourth proportional to 19,829.16, 29,742.12 and 6,681.24 is: 10,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.16 : 29,742.12 = 6,681.24 : x
  2. Step 2: Convert to fraction form
    19,829.16/29,742.12 = 6,681.24/x
  3. Step 3: Cross multiply
    19,829.16x = 29,742.12 × 6,681.24
  4. Step 4: Simplify right side
    19,829.16x = 198,714,241.83
  5. Step 5: Solve for x
    x = 198,714,241.83/19,829.16
  6. Step 6: Final answer
    x = 10,021.31

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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.