Home / 18,953.06-28,435.66-9,093.13

Finding the Fourth Proportional to 18,953.06, 28,435.66 and 9,093.13

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Solution

The fourth proportional to 18,953.06, 28,435.66 and 9,093.13 is: 13,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.06 : 28,435.66 = 9,093.13 : x
  2. Step 2: Convert to fraction form
    18,953.06/28,435.66 = 9,093.13/x
  3. Step 3: Cross multiply
    18,953.06x = 28,435.66 × 9,093.13
  4. Step 4: Simplify right side
    18,953.06x = 258,569,059.19
  5. Step 5: Solve for x
    x = 258,569,059.19/18,953.06
  6. Step 6: Final answer
    x = 13,642.61

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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.