Home / 18,464.14-25,475-10,911.16

Finding the Fourth Proportional to 18,464.14, 25,475 and 10,911.16

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Solution

The fourth proportional to 18,464.14, 25,475 and 10,911.16 is: 15,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.14 : 25,475 = 10,911.16 : x
  2. Step 2: Convert to fraction form
    18,464.14/25,475 = 10,911.16/x
  3. Step 3: Cross multiply
    18,464.14x = 25,475 × 10,911.16
  4. Step 4: Simplify right side
    18,464.14x = 277,961,801
  5. Step 5: Solve for x
    x = 277,961,801/18,464.14
  6. Step 6: Final answer
    x = 15,054.14

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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.