Home / 14,218.14-21,326.45-4,357.45

Finding the Fourth Proportional to 14,218.14, 21,326.45 and 4,357.45

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Solution

The fourth proportional to 14,218.14, 21,326.45 and 4,357.45 is: 6,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.14 : 21,326.45 = 4,357.45 : x
  2. Step 2: Convert to fraction form
    14,218.14/21,326.45 = 4,357.45/x
  3. Step 3: Cross multiply
    14,218.14x = 21,326.45 × 4,357.45
  4. Step 4: Simplify right side
    14,218.14x = 92,928,939.55
  5. Step 5: Solve for x
    x = 92,928,939.55/14,218.14
  6. Step 6: Final answer
    x = 6,535.94

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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.