Home / 23,149.42-31,946.21-12,539.06

Finding the Fourth Proportional to 23,149.42, 31,946.21 and 12,539.06

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Solution

The fourth proportional to 23,149.42, 31,946.21 and 12,539.06 is: 17,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.42 : 31,946.21 = 12,539.06 : x
  2. Step 2: Convert to fraction form
    23,149.42/31,946.21 = 12,539.06/x
  3. Step 3: Cross multiply
    23,149.42x = 31,946.21 × 12,539.06
  4. Step 4: Simplify right side
    23,149.42x = 400,575,388.36
  5. Step 5: Solve for x
    x = 400,575,388.36/23,149.42
  6. Step 6: Final answer
    x = 17,303.91

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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.