Home / 14,007.03-21,012.09-5,685.85

Finding the Fourth Proportional to 14,007.03, 21,012.09 and 5,685.85

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Solution

The fourth proportional to 14,007.03, 21,012.09 and 5,685.85 is: 8,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.03 : 21,012.09 = 5,685.85 : x
  2. Step 2: Convert to fraction form
    14,007.03/21,012.09 = 5,685.85/x
  3. Step 3: Cross multiply
    14,007.03x = 21,012.09 × 5,685.85
  4. Step 4: Simplify right side
    14,007.03x = 119,471,510.66
  5. Step 5: Solve for x
    x = 119,471,510.66/14,007.03
  6. Step 6: Final answer
    x = 8,529.40

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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.