Home / 20,897.36-28,846.38-14,185.98

Finding the Fourth Proportional to 20,897.36, 28,846.38 and 14,185.98

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Solution

The fourth proportional to 20,897.36, 28,846.38 and 14,185.98 is: 19,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897.36 : 28,846.38 = 14,185.98 : x
  2. Step 2: Convert to fraction form
    20,897.36/28,846.38 = 14,185.98/x
  3. Step 3: Cross multiply
    20,897.36x = 28,846.38 × 14,185.98
  4. Step 4: Simplify right side
    20,897.36x = 409,214,169.75
  5. Step 5: Solve for x
    x = 409,214,169.75/20,897.36
  6. Step 6: Final answer
    x = 19,582.10

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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.