Home / 18,980.95-26,182.83-11,022.16

Finding the Fourth Proportional to 18,980.95, 26,182.83 and 11,022.16

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Solution

The fourth proportional to 18,980.95, 26,182.83 and 11,022.16 is: 15,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980.95 : 26,182.83 = 11,022.16 : x
  2. Step 2: Convert to fraction form
    18,980.95/26,182.83 = 11,022.16/x
  3. Step 3: Cross multiply
    18,980.95x = 26,182.83 × 11,022.16
  4. Step 4: Simplify right side
    18,980.95x = 288,591,341.51
  5. Step 5: Solve for x
    x = 288,591,341.51/18,980.95
  6. Step 6: Final answer
    x = 15,204.26

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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.