Home / 14,170.31-21,256.35-4,310.32

Finding the Fourth Proportional to 14,170.31, 21,256.35 and 4,310.32

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Solution

The fourth proportional to 14,170.31, 21,256.35 and 4,310.32 is: 6,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.31 : 21,256.35 = 4,310.32 : x
  2. Step 2: Convert to fraction form
    14,170.31/21,256.35 = 4,310.32/x
  3. Step 3: Cross multiply
    14,170.31x = 21,256.35 × 4,310.32
  4. Step 4: Simplify right side
    14,170.31x = 91,621,617.39
  5. Step 5: Solve for x
    x = 91,621,617.39/14,170.31
  6. Step 6: Final answer
    x = 6,465.74

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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.