Home / 16,140.06-22,289.31-12,817.98

Finding the Fourth Proportional to 16,140.06, 22,289.31 and 12,817.98

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Solution

The fourth proportional to 16,140.06, 22,289.31 and 12,817.98 is: 17,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.06 : 22,289.31 = 12,817.98 : x
  2. Step 2: Convert to fraction form
    16,140.06/22,289.31 = 12,817.98/x
  3. Step 3: Cross multiply
    16,140.06x = 22,289.31 × 12,817.98
  4. Step 4: Simplify right side
    16,140.06x = 285,703,929.79
  5. Step 5: Solve for x
    x = 285,703,929.79/16,140.06
  6. Step 6: Final answer
    x = 17,701.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.