Home / 15,823.88-23,736.09-13,039.64

Finding the Fourth Proportional to 15,823.88, 23,736.09 and 13,039.64

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Solution

The fourth proportional to 15,823.88, 23,736.09 and 13,039.64 is: 19,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.88 : 23,736.09 = 13,039.64 : x
  2. Step 2: Convert to fraction form
    15,823.88/23,736.09 = 13,039.64/x
  3. Step 3: Cross multiply
    15,823.88x = 23,736.09 × 13,039.64
  4. Step 4: Simplify right side
    15,823.88x = 309,510,068.61
  5. Step 5: Solve for x
    x = 309,510,068.61/15,823.88
  6. Step 6: Final answer
    x = 19,559.68

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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.