Home / 14,312.92-21,466.86-3,923.32

Finding the Fourth Proportional to 14,312.92, 21,466.86 and 3,923.32

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Solution

The fourth proportional to 14,312.92, 21,466.86 and 3,923.32 is: 5,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.92 : 21,466.86 = 3,923.32 : x
  2. Step 2: Convert to fraction form
    14,312.92/21,466.86 = 3,923.32/x
  3. Step 3: Cross multiply
    14,312.92x = 21,466.86 × 3,923.32
  4. Step 4: Simplify right side
    14,312.92x = 84,221,361.18
  5. Step 5: Solve for x
    x = 84,221,361.18/14,312.92
  6. Step 6: Final answer
    x = 5,884.29

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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.