Home / 14,317.35-21,370.65-13,314.57

Finding the Fourth Proportional to 14,317.35, 21,370.65 and 13,314.57

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Solution

The fourth proportional to 14,317.35, 21,370.65 and 13,314.57 is: 19,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.35 : 21,370.65 = 13,314.57 : x
  2. Step 2: Convert to fraction form
    14,317.35/21,370.65 = 13,314.57/x
  3. Step 3: Cross multiply
    14,317.35x = 21,370.65 × 13,314.57
  4. Step 4: Simplify right side
    14,317.35x = 284,541,015.37
  5. Step 5: Solve for x
    x = 284,541,015.37/14,317.35
  6. Step 6: Final answer
    x = 19,873.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.