Home / 14,317.56-21,480.50-6,418.32

Finding the Fourth Proportional to 14,317.56, 21,480.50 and 6,418.32

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Solution

The fourth proportional to 14,317.56, 21,480.50 and 6,418.32 is: 9,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.56 : 21,480.50 = 6,418.32 : x
  2. Step 2: Convert to fraction form
    14,317.56/21,480.50 = 6,418.32/x
  3. Step 3: Cross multiply
    14,317.56x = 21,480.50 × 6,418.32
  4. Step 4: Simplify right side
    14,317.56x = 137,868,722.76
  5. Step 5: Solve for x
    x = 137,868,722.76/14,317.56
  6. Step 6: Final answer
    x = 9,629.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.