Home / 14,185.30-21,281.40-4,324.76

Finding the Fourth Proportional to 14,185.30, 21,281.40 and 4,324.76

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Solution

The fourth proportional to 14,185.30, 21,281.40 and 4,324.76 is: 6,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.30 : 21,281.40 = 4,324.76 : x
  2. Step 2: Convert to fraction form
    14,185.30/21,281.40 = 4,324.76/x
  3. Step 3: Cross multiply
    14,185.30x = 21,281.40 × 4,324.76
  4. Step 4: Simplify right side
    14,185.30x = 92,036,947.46
  5. Step 5: Solve for x
    x = 92,036,947.46/14,185.30
  6. Step 6: Final answer
    x = 6,488.19

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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.