Home / 14,195.59-19,579.49-9,157.25

Finding the Fourth Proportional to 14,195.59, 19,579.49 and 9,157.25

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Solution

The fourth proportional to 14,195.59, 19,579.49 and 9,157.25 is: 12,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.59 : 19,579.49 = 9,157.25 : x
  2. Step 2: Convert to fraction form
    14,195.59/19,579.49 = 9,157.25/x
  3. Step 3: Cross multiply
    14,195.59x = 19,579.49 × 9,157.25
  4. Step 4: Simplify right side
    14,195.59x = 179,294,322.30
  5. Step 5: Solve for x
    x = 179,294,322.30/14,195.59
  6. Step 6: Final answer
    x = 12,630.29

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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.