Home / 17,376.04-23,961.36-15,455.80

Finding the Fourth Proportional to 17,376.04, 23,961.36 and 15,455.80

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Solution

The fourth proportional to 17,376.04, 23,961.36 and 15,455.80 is: 21,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.04 : 23,961.36 = 15,455.80 : x
  2. Step 2: Convert to fraction form
    17,376.04/23,961.36 = 15,455.80/x
  3. Step 3: Cross multiply
    17,376.04x = 23,961.36 × 15,455.80
  4. Step 4: Simplify right side
    17,376.04x = 370,341,987.89
  5. Step 5: Solve for x
    x = 370,341,987.89/17,376.04
  6. Step 6: Final answer
    x = 21,313.37

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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.