Home / 18,477.36-27,715.32-6,165.36

Finding the Fourth Proportional to 18,477.36, 27,715.32 and 6,165.36

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Solution

The fourth proportional to 18,477.36, 27,715.32 and 6,165.36 is: 9,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.36 : 27,715.32 = 6,165.36 : x
  2. Step 2: Convert to fraction form
    18,477.36/27,715.32 = 6,165.36/x
  3. Step 3: Cross multiply
    18,477.36x = 27,715.32 × 6,165.36
  4. Step 4: Simplify right side
    18,477.36x = 170,874,925.32
  5. Step 5: Solve for x
    x = 170,874,925.32/18,477.36
  6. Step 6: Final answer
    x = 9,247.80

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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.