Home / 13,933.79-19,244.60-9,175.00

Finding the Fourth Proportional to 13,933.79, 19,244.60 and 9,175.00

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Solution

The fourth proportional to 13,933.79, 19,244.60 and 9,175.00 is: 12,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.79 : 19,244.60 = 9,175.00 : x
  2. Step 2: Convert to fraction form
    13,933.79/19,244.60 = 9,175.00/x
  3. Step 3: Cross multiply
    13,933.79x = 19,244.60 × 9,175.00
  4. Step 4: Simplify right side
    13,933.79x = 176,569,241.00
  5. Step 5: Solve for x
    x = 176,569,241.00/13,933.79
  6. Step 6: Final answer
    x = 12,672.02

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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.