Home / 18,968.46-26,151.03-13,295.58

Finding the Fourth Proportional to 18,968.46, 26,151.03 and 13,295.58

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Solution

The fourth proportional to 18,968.46, 26,151.03 and 13,295.58 is: 18,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.46 : 26,151.03 = 13,295.58 : x
  2. Step 2: Convert to fraction form
    18,968.46/26,151.03 = 13,295.58/x
  3. Step 3: Cross multiply
    18,968.46x = 26,151.03 × 13,295.58
  4. Step 4: Simplify right side
    18,968.46x = 347,693,111.45
  5. Step 5: Solve for x
    x = 347,693,111.45/18,968.46
  6. Step 6: Final answer
    x = 18,330.07

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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.