Home / 13,172.58-18,184.77-10,181.66

Finding the Fourth Proportional to 13,172.58, 18,184.77 and 10,181.66

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Solution

The fourth proportional to 13,172.58, 18,184.77 and 10,181.66 is: 14,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.58 : 18,184.77 = 10,181.66 : x
  2. Step 2: Convert to fraction form
    13,172.58/18,184.77 = 10,181.66/x
  3. Step 3: Cross multiply
    13,172.58x = 18,184.77 × 10,181.66
  4. Step 4: Simplify right side
    13,172.58x = 185,151,145.32
  5. Step 5: Solve for x
    x = 185,151,145.32/13,172.58
  6. Step 6: Final answer
    x = 14,055.80

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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.