Home / 14,431.36-19,915.52-8,467.32

Finding the Fourth Proportional to 14,431.36, 19,915.52 and 8,467.32

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Solution

The fourth proportional to 14,431.36, 19,915.52 and 8,467.32 is: 11,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.36 : 19,915.52 = 8,467.32 : x
  2. Step 2: Convert to fraction form
    14,431.36/19,915.52 = 8,467.32/x
  3. Step 3: Cross multiply
    14,431.36x = 19,915.52 × 8,467.32
  4. Step 4: Simplify right side
    14,431.36x = 168,631,080.81
  5. Step 5: Solve for x
    x = 168,631,080.81/14,431.36
  6. Step 6: Final answer
    x = 11,685.04

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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.