Home / 14,429.16-19,912.32-8,460.92

Finding the Fourth Proportional to 14,429.16, 19,912.32 and 8,460.92

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Solution

The fourth proportional to 14,429.16, 19,912.32 and 8,460.92 is: 11,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.16 : 19,912.32 = 8,460.92 : x
  2. Step 2: Convert to fraction form
    14,429.16/19,912.32 = 8,460.92/x
  3. Step 3: Cross multiply
    14,429.16x = 19,912.32 × 8,460.92
  4. Step 4: Simplify right side
    14,429.16x = 168,476,596.32
  5. Step 5: Solve for x
    x = 168,476,596.32/14,429.16
  6. Step 6: Final answer
    x = 11,676.12

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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.