Home / 19,403.40-29,080.75-8,297.03

Finding the Fourth Proportional to 19,403.40, 29,080.75 and 8,297.03

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Solution

The fourth proportional to 19,403.40, 29,080.75 and 8,297.03 is: 12,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.40 : 29,080.75 = 8,297.03 : x
  2. Step 2: Convert to fraction form
    19,403.40/29,080.75 = 8,297.03/x
  3. Step 3: Cross multiply
    19,403.40x = 29,080.75 × 8,297.03
  4. Step 4: Simplify right side
    19,403.40x = 241,283,855.17
  5. Step 5: Solve for x
    x = 241,283,855.17/19,403.40
  6. Step 6: Final answer
    x = 12,435.13

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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.