Home / 14,399.29-21,567.68-6,988.17

Finding the Fourth Proportional to 14,399.29, 21,567.68 and 6,988.17

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Solution

The fourth proportional to 14,399.29, 21,567.68 and 6,988.17 is: 10,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.29 : 21,567.68 = 6,988.17 : x
  2. Step 2: Convert to fraction form
    14,399.29/21,567.68 = 6,988.17/x
  3. Step 3: Cross multiply
    14,399.29x = 21,567.68 × 6,988.17
  4. Step 4: Simplify right side
    14,399.29x = 150,718,579.40
  5. Step 5: Solve for x
    x = 150,718,579.40/14,399.29
  6. Step 6: Final answer
    x = 10,467.09

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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.