Home / 16,918.82-23,347.80-9,365.70

Finding the Fourth Proportional to 16,918.82, 23,347.80 and 9,365.70

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Solution

The fourth proportional to 16,918.82, 23,347.80 and 9,365.70 is: 12,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.82 : 23,347.80 = 9,365.70 : x
  2. Step 2: Convert to fraction form
    16,918.82/23,347.80 = 9,365.70/x
  3. Step 3: Cross multiply
    16,918.82x = 23,347.80 × 9,365.70
  4. Step 4: Simplify right side
    16,918.82x = 218,668,490.46
  5. Step 5: Solve for x
    x = 218,668,490.46/16,918.82
  6. Step 6: Final answer
    x = 12,924.57

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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.