Home / 18,455.36-25,468.32-10,071.84

Finding the Fourth Proportional to 18,455.36, 25,468.32 and 10,071.84

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Solution

The fourth proportional to 18,455.36, 25,468.32 and 10,071.84 is: 13,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.36 : 25,468.32 = 10,071.84 : x
  2. Step 2: Convert to fraction form
    18,455.36/25,468.32 = 10,071.84/x
  3. Step 3: Cross multiply
    18,455.36x = 25,468.32 × 10,071.84
  4. Step 4: Simplify right side
    18,455.36x = 256,512,844.11
  5. Step 5: Solve for x
    x = 256,512,844.11/18,455.36
  6. Step 6: Final answer
    x = 13,899.10

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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.