Home / 14,221.16-21,333.09-4,358.70

Finding the Fourth Proportional to 14,221.16, 21,333.09 and 4,358.70

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Solution

The fourth proportional to 14,221.16, 21,333.09 and 4,358.70 is: 6,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.16 : 21,333.09 = 4,358.70 : x
  2. Step 2: Convert to fraction form
    14,221.16/21,333.09 = 4,358.70/x
  3. Step 3: Cross multiply
    14,221.16x = 21,333.09 × 4,358.70
  4. Step 4: Simplify right side
    14,221.16x = 92,984,539.38
  5. Step 5: Solve for x
    x = 92,984,539.38/14,221.16
  6. Step 6: Final answer
    x = 6,538.47

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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.