Home / 14,531.42-20,036.83-13,114.65

Finding the Fourth Proportional to 14,531.42, 20,036.83 and 13,114.65

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Solution

The fourth proportional to 14,531.42, 20,036.83 and 13,114.65 is: 18,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.42 : 20,036.83 = 13,114.65 : x
  2. Step 2: Convert to fraction form
    14,531.42/20,036.83 = 13,114.65/x
  3. Step 3: Cross multiply
    14,531.42x = 20,036.83 × 13,114.65
  4. Step 4: Simplify right side
    14,531.42x = 262,776,012.56
  5. Step 5: Solve for x
    x = 262,776,012.56/14,531.42
  6. Step 6: Final answer
    x = 18,083.30

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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.