Home / 23,651.36-35,498.88-11,972.80

Finding the Fourth Proportional to 23,651.36, 35,498.88 and 11,972.80

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Solution

The fourth proportional to 23,651.36, 35,498.88 and 11,972.80 is: 17,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,651.36 : 35,498.88 = 11,972.80 : x
  2. Step 2: Convert to fraction form
    23,651.36/35,498.88 = 11,972.80/x
  3. Step 3: Cross multiply
    23,651.36x = 35,498.88 × 11,972.80
  4. Step 4: Simplify right side
    23,651.36x = 425,020,990.46
  5. Step 5: Solve for x
    x = 425,020,990.46/23,651.36
  6. Step 6: Final answer
    x = 17,970.26

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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.