Home / 16,893.86-23,311.49-9,339.17

Finding the Fourth Proportional to 16,893.86, 23,311.49 and 9,339.17

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Solution

The fourth proportional to 16,893.86, 23,311.49 and 9,339.17 is: 12,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.86 : 23,311.49 = 9,339.17 : x
  2. Step 2: Convert to fraction form
    16,893.86/23,311.49 = 9,339.17/x
  3. Step 3: Cross multiply
    16,893.86x = 23,311.49 × 9,339.17
  4. Step 4: Simplify right side
    16,893.86x = 217,709,804.81
  5. Step 5: Solve for x
    x = 217,709,804.81/16,893.86
  6. Step 6: Final answer
    x = 12,886.92

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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.