Home / 14,218.72-21,332.18-4,359.45

Finding the Fourth Proportional to 14,218.72, 21,332.18 and 4,359.45

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Solution

The fourth proportional to 14,218.72, 21,332.18 and 4,359.45 is: 6,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.72 : 21,332.18 = 4,359.45 : x
  2. Step 2: Convert to fraction form
    14,218.72/21,332.18 = 4,359.45/x
  3. Step 3: Cross multiply
    14,218.72x = 21,332.18 × 4,359.45
  4. Step 4: Simplify right side
    14,218.72x = 92,996,619.98
  5. Step 5: Solve for x
    x = 92,996,619.98/14,218.72
  6. Step 6: Final answer
    x = 6,540.44

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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.