Home / 14,116.77-21,178.65-9,964.91

Finding the Fourth Proportional to 14,116.77, 21,178.65 and 9,964.91

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Solution

The fourth proportional to 14,116.77, 21,178.65 and 9,964.91 is: 14,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.77 : 21,178.65 = 9,964.91 : x
  2. Step 2: Convert to fraction form
    14,116.77/21,178.65 = 9,964.91/x
  3. Step 3: Cross multiply
    14,116.77x = 21,178.65 × 9,964.91
  4. Step 4: Simplify right side
    14,116.77x = 211,043,341.17
  5. Step 5: Solve for x
    x = 211,043,341.17/14,116.77
  6. Step 6: Final answer
    x = 14,949.83

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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.