Home / 18,878.04-26,051.99-10,380.53

Finding the Fourth Proportional to 18,878.04, 26,051.99 and 10,380.53

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Solution

The fourth proportional to 18,878.04, 26,051.99 and 10,380.53 is: 14,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.04 : 26,051.99 = 10,380.53 : x
  2. Step 2: Convert to fraction form
    18,878.04/26,051.99 = 10,380.53/x
  3. Step 3: Cross multiply
    18,878.04x = 26,051.99 × 10,380.53
  4. Step 4: Simplify right side
    18,878.04x = 270,433,476.98
  5. Step 5: Solve for x
    x = 270,433,476.98/18,878.04
  6. Step 6: Final answer
    x = 14,325.29

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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.