Home / 18,261.66-27,421.29-11,366.94

Finding the Fourth Proportional to 18,261.66, 27,421.29 and 11,366.94

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Solution

The fourth proportional to 18,261.66, 27,421.29 and 11,366.94 is: 17,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.66 : 27,421.29 = 11,366.94 : x
  2. Step 2: Convert to fraction form
    18,261.66/27,421.29 = 11,366.94/x
  3. Step 3: Cross multiply
    18,261.66x = 27,421.29 × 11,366.94
  4. Step 4: Simplify right side
    18,261.66x = 311,696,158.15
  5. Step 5: Solve for x
    x = 311,696,158.15/18,261.66
  6. Step 6: Final answer
    x = 17,068.34

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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.