Home / 12,495.32-18,741.28-4,175.16

Finding the Fourth Proportional to 12,495.32, 18,741.28 and 4,175.16

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Solution

The fourth proportional to 12,495.32, 18,741.28 and 4,175.16 is: 6,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.32 : 18,741.28 = 4,175.16 : x
  2. Step 2: Convert to fraction form
    12,495.32/18,741.28 = 4,175.16/x
  3. Step 3: Cross multiply
    12,495.32x = 18,741.28 × 4,175.16
  4. Step 4: Simplify right side
    12,495.32x = 78,247,842.60
  5. Step 5: Solve for x
    x = 78,247,842.60/12,495.32
  6. Step 6: Final answer
    x = 6,262.17

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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.