Home / 15,782.60-21,754.41-13,733.25

Finding the Fourth Proportional to 15,782.60, 21,754.41 and 13,733.25

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Solution

The fourth proportional to 15,782.60, 21,754.41 and 13,733.25 is: 18,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.60 : 21,754.41 = 13,733.25 : x
  2. Step 2: Convert to fraction form
    15,782.60/21,754.41 = 13,733.25/x
  3. Step 3: Cross multiply
    15,782.60x = 21,754.41 × 13,733.25
  4. Step 4: Simplify right side
    15,782.60x = 298,758,802.63
  5. Step 5: Solve for x
    x = 298,758,802.63/15,782.60
  6. Step 6: Final answer
    x = 18,929.64

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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.