Home / 16,688.96-23,033.35-9,518.89

Finding the Fourth Proportional to 16,688.96, 23,033.35 and 9,518.89

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Solution

The fourth proportional to 16,688.96, 23,033.35 and 9,518.89 is: 13,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.96 : 23,033.35 = 9,518.89 : x
  2. Step 2: Convert to fraction form
    16,688.96/23,033.35 = 9,518.89/x
  3. Step 3: Cross multiply
    16,688.96x = 23,033.35 × 9,518.89
  4. Step 4: Simplify right side
    16,688.96x = 219,251,924.98
  5. Step 5: Solve for x
    x = 219,251,924.98/16,688.96
  6. Step 6: Final answer
    x = 13,137.54

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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.