Home / 16,912.47-25,323.33-13,779.66

Finding the Fourth Proportional to 16,912.47, 25,323.33 and 13,779.66

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Solution

The fourth proportional to 16,912.47, 25,323.33 and 13,779.66 is: 20,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.47 : 25,323.33 = 13,779.66 : x
  2. Step 2: Convert to fraction form
    16,912.47/25,323.33 = 13,779.66/x
  3. Step 3: Cross multiply
    16,912.47x = 25,323.33 × 13,779.66
  4. Step 4: Simplify right side
    16,912.47x = 348,946,877.47
  5. Step 5: Solve for x
    x = 348,946,877.47/16,912.47
  6. Step 6: Final answer
    x = 20,632.52

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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.