Home / 12,375.06-18,561.24-4,477.29

Finding the Fourth Proportional to 12,375.06, 18,561.24 and 4,477.29

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Solution

The fourth proportional to 12,375.06, 18,561.24 and 4,477.29 is: 6,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.06 : 18,561.24 = 4,477.29 : x
  2. Step 2: Convert to fraction form
    12,375.06/18,561.24 = 4,477.29/x
  3. Step 3: Cross multiply
    12,375.06x = 18,561.24 × 4,477.29
  4. Step 4: Simplify right side
    12,375.06x = 83,104,054.24
  5. Step 5: Solve for x
    x = 83,104,054.24/12,375.06
  6. Step 6: Final answer
    x = 6,715.45

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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.