Home / 20,598.36-30,897.69-13,488.58

Finding the Fourth Proportional to 20,598.36, 30,897.69 and 13,488.58

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Solution

The fourth proportional to 20,598.36, 30,897.69 and 13,488.58 is: 20,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.36 : 30,897.69 = 13,488.58 : x
  2. Step 2: Convert to fraction form
    20,598.36/30,897.69 = 13,488.58/x
  3. Step 3: Cross multiply
    20,598.36x = 30,897.69 × 13,488.58
  4. Step 4: Simplify right side
    20,598.36x = 416,765,963.38
  5. Step 5: Solve for x
    x = 416,765,963.38/20,598.36
  6. Step 6: Final answer
    x = 20,232.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.