Home / 13,895.46-19,176.75-9,171.54

Finding the Fourth Proportional to 13,895.46, 19,176.75 and 9,171.54

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Solution

The fourth proportional to 13,895.46, 19,176.75 and 9,171.54 is: 12,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.46 : 19,176.75 = 9,171.54 : x
  2. Step 2: Convert to fraction form
    13,895.46/19,176.75 = 9,171.54/x
  3. Step 3: Cross multiply
    13,895.46x = 19,176.75 × 9,171.54
  4. Step 4: Simplify right side
    13,895.46x = 175,880,329.70
  5. Step 5: Solve for x
    x = 175,880,329.70/13,895.46
  6. Step 6: Final answer
    x = 12,657.40

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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.