Home / 16,890.86-23,308.37-9,336.74

Finding the Fourth Proportional to 16,890.86, 23,308.37 and 9,336.74

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Solution

The fourth proportional to 16,890.86, 23,308.37 and 9,336.74 is: 12,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.86 : 23,308.37 = 9,336.74 : x
  2. Step 2: Convert to fraction form
    16,890.86/23,308.37 = 9,336.74/x
  3. Step 3: Cross multiply
    16,890.86x = 23,308.37 × 9,336.74
  4. Step 4: Simplify right side
    16,890.86x = 217,624,190.51
  5. Step 5: Solve for x
    x = 217,624,190.51/16,890.86
  6. Step 6: Final answer
    x = 12,884.14

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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.