Home / 14,316.32-21,475.99-3,928.07

Finding the Fourth Proportional to 14,316.32, 21,475.99 and 3,928.07

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Solution

The fourth proportional to 14,316.32, 21,475.99 and 3,928.07 is: 5,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.32 : 21,475.99 = 3,928.07 : x
  2. Step 2: Convert to fraction form
    14,316.32/21,475.99 = 3,928.07/x
  3. Step 3: Cross multiply
    14,316.32x = 21,475.99 × 3,928.07
  4. Step 4: Simplify right side
    14,316.32x = 84,359,084.66
  5. Step 5: Solve for x
    x = 84,359,084.66/14,316.32
  6. Step 6: Final answer
    x = 5,892.51

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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.