Home / 13,913.28-19,200.57-7,625.25

Finding the Fourth Proportional to 13,913.28, 19,200.57 and 7,625.25

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Solution

The fourth proportional to 13,913.28, 19,200.57 and 7,625.25 is: 10,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.28 : 19,200.57 = 7,625.25 : x
  2. Step 2: Convert to fraction form
    13,913.28/19,200.57 = 7,625.25/x
  3. Step 3: Cross multiply
    13,913.28x = 19,200.57 × 7,625.25
  4. Step 4: Simplify right side
    13,913.28x = 146,409,146.39
  5. Step 5: Solve for x
    x = 146,409,146.39/13,913.28
  6. Step 6: Final answer
    x = 10,522.98

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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.