Home / 14,579.40-21,869.10-6,681.90

Finding the Fourth Proportional to 14,579.40, 21,869.10 and 6,681.90

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Solution

The fourth proportional to 14,579.40, 21,869.10 and 6,681.90 is: 10,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.40 : 21,869.10 = 6,681.90 : x
  2. Step 2: Convert to fraction form
    14,579.40/21,869.10 = 6,681.90/x
  3. Step 3: Cross multiply
    14,579.40x = 21,869.10 × 6,681.90
  4. Step 4: Simplify right side
    14,579.40x = 146,127,139.29
  5. Step 5: Solve for x
    x = 146,127,139.29/14,579.40
  6. Step 6: Final answer
    x = 10,022.85

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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.