Home / 18,055.49-27,079.23-13,127.45

Finding the Fourth Proportional to 18,055.49, 27,079.23 and 13,127.45

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Solution

The fourth proportional to 18,055.49, 27,079.23 and 13,127.45 is: 19,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.49 : 27,079.23 = 13,127.45 : x
  2. Step 2: Convert to fraction form
    18,055.49/27,079.23 = 13,127.45/x
  3. Step 3: Cross multiply
    18,055.49x = 27,079.23 × 13,127.45
  4. Step 4: Simplify right side
    18,055.49x = 355,481,237.86
  5. Step 5: Solve for x
    x = 355,481,237.86/18,055.49
  6. Step 6: Final answer
    x = 19,688.26

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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.