Home / 14,298.04-21,451.50-6,399.40

Finding the Fourth Proportional to 14,298.04, 21,451.50 and 6,399.40

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Solution

The fourth proportional to 14,298.04, 21,451.50 and 6,399.40 is: 9,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.04 : 21,451.50 = 6,399.40 : x
  2. Step 2: Convert to fraction form
    14,298.04/21,451.50 = 6,399.40/x
  3. Step 3: Cross multiply
    14,298.04x = 21,451.50 × 6,399.40
  4. Step 4: Simplify right side
    14,298.04x = 137,276,729.10
  5. Step 5: Solve for x
    x = 137,276,729.10/14,298.04
  6. Step 6: Final answer
    x = 9,601.09

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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.