Home / 14,007.90-21,020.61-5,687.94

Finding the Fourth Proportional to 14,007.90, 21,020.61 and 5,687.94

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Solution

The fourth proportional to 14,007.90, 21,020.61 and 5,687.94 is: 8,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.90 : 21,020.61 = 5,687.94 : x
  2. Step 2: Convert to fraction form
    14,007.90/21,020.61 = 5,687.94/x
  3. Step 3: Cross multiply
    14,007.90x = 21,020.61 × 5,687.94
  4. Step 4: Simplify right side
    14,007.90x = 119,563,968.44
  5. Step 5: Solve for x
    x = 119,563,968.44/14,007.90
  6. Step 6: Final answer
    x = 8,535.47

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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.