Home / 15,447.25-23,279.70-13,968.16

Finding the Fourth Proportional to 15,447.25, 23,279.70 and 13,968.16

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Solution

The fourth proportional to 15,447.25, 23,279.70 and 13,968.16 is: 21,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.25 : 23,279.70 = 13,968.16 : x
  2. Step 2: Convert to fraction form
    15,447.25/23,279.70 = 13,968.16/x
  3. Step 3: Cross multiply
    15,447.25x = 23,279.70 × 13,968.16
  4. Step 4: Simplify right side
    15,447.25x = 325,174,574.35
  5. Step 5: Solve for x
    x = 325,174,574.35/15,447.25
  6. Step 6: Final answer
    x = 21,050.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.