Home / 13,574.49-18,734.00-7,908.95

Finding the Fourth Proportional to 13,574.49, 18,734.00 and 7,908.95

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Solution

The fourth proportional to 13,574.49, 18,734.00 and 7,908.95 is: 10,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.49 : 18,734.00 = 7,908.95 : x
  2. Step 2: Convert to fraction form
    13,574.49/18,734.00 = 7,908.95/x
  3. Step 3: Cross multiply
    13,574.49x = 18,734.00 × 7,908.95
  4. Step 4: Simplify right side
    13,574.49x = 148,166,136.09
  5. Step 5: Solve for x
    x = 148,166,136.09/13,574.49
  6. Step 6: Final answer
    x = 10,915.04

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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.