Home / 14,089.30-21,133.93-4,228.57

Finding the Fourth Proportional to 14,089.30, 21,133.93 and 4,228.57

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Solution

The fourth proportional to 14,089.30, 21,133.93 and 4,228.57 is: 6,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.30 : 21,133.93 = 4,228.57 : x
  2. Step 2: Convert to fraction form
    14,089.30/21,133.93 = 4,228.57/x
  3. Step 3: Cross multiply
    14,089.30x = 21,133.93 × 4,228.57
  4. Step 4: Simplify right side
    14,089.30x = 89,366,302.38
  5. Step 5: Solve for x
    x = 89,366,302.38/14,089.30
  6. Step 6: Final answer
    x = 6,342.85

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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.