Home / 23,055.03-31,813.34-12,983.22

Finding the Fourth Proportional to 23,055.03, 31,813.34 and 12,983.22

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Solution

The fourth proportional to 23,055.03, 31,813.34 and 12,983.22 is: 17,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,055.03 : 31,813.34 = 12,983.22 : x
  2. Step 2: Convert to fraction form
    23,055.03/31,813.34 = 12,983.22/x
  3. Step 3: Cross multiply
    23,055.03x = 31,813.34 × 12,983.22
  4. Step 4: Simplify right side
    23,055.03x = 413,039,527.24
  5. Step 5: Solve for x
    x = 413,039,527.24/23,055.03
  6. Step 6: Final answer
    x = 17,915.38

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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.