Home / 19,559.79-29,289.60-10,784.97

Finding the Fourth Proportional to 19,559.79, 29,289.60 and 10,784.97

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Solution

The fourth proportional to 19,559.79, 29,289.60 and 10,784.97 is: 16,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.79 : 29,289.60 = 10,784.97 : x
  2. Step 2: Convert to fraction form
    19,559.79/29,289.60 = 10,784.97/x
  3. Step 3: Cross multiply
    19,559.79x = 29,289.60 × 10,784.97
  4. Step 4: Simplify right side
    19,559.79x = 315,887,457.31
  5. Step 5: Solve for x
    x = 315,887,457.31/19,559.79
  6. Step 6: Final answer
    x = 16,149.84

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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.