Home / 20,055.43-27,681.14-13,341.34

Finding the Fourth Proportional to 20,055.43, 27,681.14 and 13,341.34

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Solution

The fourth proportional to 20,055.43, 27,681.14 and 13,341.34 is: 18,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.43 : 27,681.14 = 13,341.34 : x
  2. Step 2: Convert to fraction form
    20,055.43/27,681.14 = 13,341.34/x
  3. Step 3: Cross multiply
    20,055.43x = 27,681.14 × 13,341.34
  4. Step 4: Simplify right side
    20,055.43x = 369,303,568.28
  5. Step 5: Solve for x
    x = 369,303,568.28/20,055.43
  6. Step 6: Final answer
    x = 18,414.14

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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.