Home / 14,276.43-21,402-5,505.30

Finding the Fourth Proportional to 14,276.43, 21,402 and 5,505.30

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Solution

The fourth proportional to 14,276.43, 21,402 and 5,505.30 is: 8,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.43 : 21,402 = 5,505.30 : x
  2. Step 2: Convert to fraction form
    14,276.43/21,402 = 5,505.30/x
  3. Step 3: Cross multiply
    14,276.43x = 21,402 × 5,505.30
  4. Step 4: Simplify right side
    14,276.43x = 117,824,430.60
  5. Step 5: Solve for x
    x = 117,824,430.60/14,276.43
  6. Step 6: Final answer
    x = 8,253.07

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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.