Home / 18,130.84-27,179.85-6,441.32

Finding the Fourth Proportional to 18,130.84, 27,179.85 and 6,441.32

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Solution

The fourth proportional to 18,130.84, 27,179.85 and 6,441.32 is: 9,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.84 : 27,179.85 = 6,441.32 : x
  2. Step 2: Convert to fraction form
    18,130.84/27,179.85 = 6,441.32/x
  3. Step 3: Cross multiply
    18,130.84x = 27,179.85 × 6,441.32
  4. Step 4: Simplify right side
    18,130.84x = 175,074,203.51
  5. Step 5: Solve for x
    x = 175,074,203.51/18,130.84
  6. Step 6: Final answer
    x = 9,656.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.