Home / 18,977.04-26,186.76-11,016.72

Finding the Fourth Proportional to 18,977.04, 26,186.76 and 11,016.72

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Solution

The fourth proportional to 18,977.04, 26,186.76 and 11,016.72 is: 15,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.04 : 26,186.76 = 11,016.72 : x
  2. Step 2: Convert to fraction form
    18,977.04/26,186.76 = 11,016.72/x
  3. Step 3: Cross multiply
    18,977.04x = 26,186.76 × 11,016.72
  4. Step 4: Simplify right side
    18,977.04x = 288,492,202.63
  5. Step 5: Solve for x
    x = 288,492,202.63/18,977.04
  6. Step 6: Final answer
    x = 15,202.17

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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.