Home / 13,541.97-18,688.42-7,573.62

Finding the Fourth Proportional to 13,541.97, 18,688.42 and 7,573.62

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Solution

The fourth proportional to 13,541.97, 18,688.42 and 7,573.62 is: 10,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.97 : 18,688.42 = 7,573.62 : x
  2. Step 2: Convert to fraction form
    13,541.97/18,688.42 = 7,573.62/x
  3. Step 3: Cross multiply
    13,541.97x = 18,688.42 × 7,573.62
  4. Step 4: Simplify right side
    13,541.97x = 141,538,991.48
  5. Step 5: Solve for x
    x = 141,538,991.48/13,541.97
  6. Step 6: Final answer
    x = 10,451.88

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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.