Home / 34,405.19-51,605.60-12,215.64

Finding the Fourth Proportional to 34,405.19, 51,605.60 and 12,215.64

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Solution

The fourth proportional to 34,405.19, 51,605.60 and 12,215.64 is: 18,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405.19 : 51,605.60 = 12,215.64 : x
  2. Step 2: Convert to fraction form
    34,405.19/51,605.60 = 12,215.64/x
  3. Step 3: Cross multiply
    34,405.19x = 51,605.60 × 12,215.64
  4. Step 4: Simplify right side
    34,405.19x = 630,395,370.51
  5. Step 5: Solve for x
    x = 630,395,370.51/34,405.19
  6. Step 6: Final answer
    x = 18,322.69

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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.