Home / 13,907.78-19,192.57-7,534.25

Finding the Fourth Proportional to 13,907.78, 19,192.57 and 7,534.25

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Solution

The fourth proportional to 13,907.78, 19,192.57 and 7,534.25 is: 10,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.78 : 19,192.57 = 7,534.25 : x
  2. Step 2: Convert to fraction form
    13,907.78/19,192.57 = 7,534.25/x
  3. Step 3: Cross multiply
    13,907.78x = 19,192.57 × 7,534.25
  4. Step 4: Simplify right side
    13,907.78x = 144,601,620.52
  5. Step 5: Solve for x
    x = 144,601,620.52/13,907.78
  6. Step 6: Final answer
    x = 10,397.17

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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.