Home / 20,698.20-31,047.30-14,866.20

Finding the Fourth Proportional to 20,698.20, 31,047.30 and 14,866.20

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Solution

The fourth proportional to 20,698.20, 31,047.30 and 14,866.20 is: 22,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.20 : 31,047.30 = 14,866.20 : x
  2. Step 2: Convert to fraction form
    20,698.20/31,047.30 = 14,866.20/x
  3. Step 3: Cross multiply
    20,698.20x = 31,047.30 × 14,866.20
  4. Step 4: Simplify right side
    20,698.20x = 461,555,371.26
  5. Step 5: Solve for x
    x = 461,555,371.26/20,698.20
  6. Step 6: Final answer
    x = 22,299.30

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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.