Home / 23,060.07-31,823.04-12,987.54

Finding the Fourth Proportional to 23,060.07, 31,823.04 and 12,987.54

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Solution

The fourth proportional to 23,060.07, 31,823.04 and 12,987.54 is: 17,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,060.07 : 31,823.04 = 12,987.54 : x
  2. Step 2: Convert to fraction form
    23,060.07/31,823.04 = 12,987.54/x
  3. Step 3: Cross multiply
    23,060.07x = 31,823.04 × 12,987.54
  4. Step 4: Simplify right side
    23,060.07x = 413,303,004.92
  5. Step 5: Solve for x
    x = 413,303,004.92/23,060.07
  6. Step 6: Final answer
    x = 17,922.89

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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.