Home / 18,908.45-26,129.63-14,184.53

Finding the Fourth Proportional to 18,908.45, 26,129.63 and 14,184.53

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Solution

The fourth proportional to 18,908.45, 26,129.63 and 14,184.53 is: 19,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.45 : 26,129.63 = 14,184.53 : x
  2. Step 2: Convert to fraction form
    18,908.45/26,129.63 = 14,184.53/x
  3. Step 3: Cross multiply
    18,908.45x = 26,129.63 × 14,184.53
  4. Step 4: Simplify right side
    18,908.45x = 370,636,449.70
  5. Step 5: Solve for x
    x = 370,636,449.70/18,908.45
  6. Step 6: Final answer
    x = 19,601.63

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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.