Home / 14,579.80-21,857.70-6,266.20

Finding the Fourth Proportional to 14,579.80, 21,857.70 and 6,266.20

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Solution

The fourth proportional to 14,579.80, 21,857.70 and 6,266.20 is: 9,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.80 : 21,857.70 = 6,266.20 : x
  2. Step 2: Convert to fraction form
    14,579.80/21,857.70 = 6,266.20/x
  3. Step 3: Cross multiply
    14,579.80x = 21,857.70 × 6,266.20
  4. Step 4: Simplify right side
    14,579.80x = 136,964,719.74
  5. Step 5: Solve for x
    x = 136,964,719.74/14,579.80
  6. Step 6: Final answer
    x = 9,394.14

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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.