Home / 14,195.92-21,293.88-3,807.40

Finding the Fourth Proportional to 14,195.92, 21,293.88 and 3,807.40

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Solution

The fourth proportional to 14,195.92, 21,293.88 and 3,807.40 is: 5,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.92 : 21,293.88 = 3,807.40 : x
  2. Step 2: Convert to fraction form
    14,195.92/21,293.88 = 3,807.40/x
  3. Step 3: Cross multiply
    14,195.92x = 21,293.88 × 3,807.40
  4. Step 4: Simplify right side
    14,195.92x = 81,074,318.71
  5. Step 5: Solve for x
    x = 81,074,318.71/14,195.92
  6. Step 6: Final answer
    x = 5,711.10

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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.