Home / 14,431.72-19,918.74-8,466.52

Finding the Fourth Proportional to 14,431.72, 19,918.74 and 8,466.52

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Solution

The fourth proportional to 14,431.72, 19,918.74 and 8,466.52 is: 11,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.72 : 19,918.74 = 8,466.52 : x
  2. Step 2: Convert to fraction form
    14,431.72/19,918.74 = 8,466.52/x
  3. Step 3: Cross multiply
    14,431.72x = 19,918.74 × 8,466.52
  4. Step 4: Simplify right side
    14,431.72x = 168,642,410.58
  5. Step 5: Solve for x
    x = 168,642,410.58/14,431.72
  6. Step 6: Final answer
    x = 11,685.54

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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.