Home / 16,918.65-23,346.21-9,364.86

Finding the Fourth Proportional to 16,918.65, 23,346.21 and 9,364.86

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Solution

The fourth proportional to 16,918.65, 23,346.21 and 9,364.86 is: 12,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.65 : 23,346.21 = 9,364.86 : x
  2. Step 2: Convert to fraction form
    16,918.65/23,346.21 = 9,364.86/x
  3. Step 3: Cross multiply
    16,918.65x = 23,346.21 × 9,364.86
  4. Step 4: Simplify right side
    16,918.65x = 218,633,988.18
  5. Step 5: Solve for x
    x = 218,633,988.18/16,918.65
  6. Step 6: Final answer
    x = 12,922.66

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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.