Home / 16,897.80-23,338.44-12,910.08

Finding the Fourth Proportional to 16,897.80, 23,338.44 and 12,910.08

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Solution

The fourth proportional to 16,897.80, 23,338.44 and 12,910.08 is: 17,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.80 : 23,338.44 = 12,910.08 : x
  2. Step 2: Convert to fraction form
    16,897.80/23,338.44 = 12,910.08/x
  3. Step 3: Cross multiply
    16,897.80x = 23,338.44 × 12,910.08
  4. Step 4: Simplify right side
    16,897.80x = 301,301,127.48
  5. Step 5: Solve for x
    x = 301,301,127.48/16,897.80
  6. Step 6: Final answer
    x = 17,830.79

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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.