Home / 18,812.04-28,236.30-10,053.12

Finding the Fourth Proportional to 18,812.04, 28,236.30 and 10,053.12

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Solution

The fourth proportional to 18,812.04, 28,236.30 and 10,053.12 is: 15,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.04 : 28,236.30 = 10,053.12 : x
  2. Step 2: Convert to fraction form
    18,812.04/28,236.30 = 10,053.12/x
  3. Step 3: Cross multiply
    18,812.04x = 28,236.30 × 10,053.12
  4. Step 4: Simplify right side
    18,812.04x = 283,862,912.26
  5. Step 5: Solve for x
    x = 283,862,912.26/18,812.04
  6. Step 6: Final answer
    x = 15,089.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.