Home / 19,779.23-29,673.47-5,739.60

Finding the Fourth Proportional to 19,779.23, 29,673.47 and 5,739.60

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Solution

The fourth proportional to 19,779.23, 29,673.47 and 5,739.60 is: 8,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.23 : 29,673.47 = 5,739.60 : x
  2. Step 2: Convert to fraction form
    19,779.23/29,673.47 = 5,739.60/x
  3. Step 3: Cross multiply
    19,779.23x = 29,673.47 × 5,739.60
  4. Step 4: Simplify right side
    19,779.23x = 170,313,848.41
  5. Step 5: Solve for x
    x = 170,313,848.41/19,779.23
  6. Step 6: Final answer
    x = 8,610.74

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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.