Home / 15,429.26-23,133.50-12,471.28

Finding the Fourth Proportional to 15,429.26, 23,133.50 and 12,471.28

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Solution

The fourth proportional to 15,429.26, 23,133.50 and 12,471.28 is: 18,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.26 : 23,133.50 = 12,471.28 : x
  2. Step 2: Convert to fraction form
    15,429.26/23,133.50 = 12,471.28/x
  3. Step 3: Cross multiply
    15,429.26x = 23,133.50 × 12,471.28
  4. Step 4: Simplify right side
    15,429.26x = 288,504,355.88
  5. Step 5: Solve for x
    x = 288,504,355.88/15,429.26
  6. Step 6: Final answer
    x = 18,698.52

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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.