Home / 19,570.66-29,355.65-7,883.58

Finding the Fourth Proportional to 19,570.66, 29,355.65 and 7,883.58

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Solution

The fourth proportional to 19,570.66, 29,355.65 and 7,883.58 is: 11,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.66 : 29,355.65 = 7,883.58 : x
  2. Step 2: Convert to fraction form
    19,570.66/29,355.65 = 7,883.58/x
  3. Step 3: Cross multiply
    19,570.66x = 29,355.65 × 7,883.58
  4. Step 4: Simplify right side
    19,570.66x = 231,427,615.23
  5. Step 5: Solve for x
    x = 231,427,615.23/19,570.66
  6. Step 6: Final answer
    x = 11,825.23

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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.