Home / 13,250.73-18,302.04-9,660

Finding the Fourth Proportional to 13,250.73, 18,302.04 and 9,660

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Solution

The fourth proportional to 13,250.73, 18,302.04 and 9,660 is: 13,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.73 : 18,302.04 = 9,660 : x
  2. Step 2: Convert to fraction form
    13,250.73/18,302.04 = 9,660/x
  3. Step 3: Cross multiply
    13,250.73x = 18,302.04 × 9,660
  4. Step 4: Simplify right side
    13,250.73x = 176,797,706.40
  5. Step 5: Solve for x
    x = 176,797,706.40/13,250.73
  6. Step 6: Final answer
    x = 13,342.49

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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.