Home / 18,903.56-26,043.24-13,589.18

Finding the Fourth Proportional to 18,903.56, 26,043.24 and 13,589.18

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Solution

The fourth proportional to 18,903.56, 26,043.24 and 13,589.18 is: 18,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.56 : 26,043.24 = 13,589.18 : x
  2. Step 2: Convert to fraction form
    18,903.56/26,043.24 = 13,589.18/x
  3. Step 3: Cross multiply
    18,903.56x = 26,043.24 × 13,589.18
  4. Step 4: Simplify right side
    18,903.56x = 353,906,276.14
  5. Step 5: Solve for x
    x = 353,906,276.14/18,903.56
  6. Step 6: Final answer
    x = 18,721.67

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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.