Home / 17,115.04-23,620.32-13,534.80

Finding the Fourth Proportional to 17,115.04, 23,620.32 and 13,534.80

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Solution

The fourth proportional to 17,115.04, 23,620.32 and 13,534.80 is: 18,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.04 : 23,620.32 = 13,534.80 : x
  2. Step 2: Convert to fraction form
    17,115.04/23,620.32 = 13,534.80/x
  3. Step 3: Cross multiply
    17,115.04x = 23,620.32 × 13,534.80
  4. Step 4: Simplify right side
    17,115.04x = 319,696,307.14
  5. Step 5: Solve for x
    x = 319,696,307.14/17,115.04
  6. Step 6: Final answer
    x = 18,679.26

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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.