Home / 14,049.18-21,071.34-4,815.18

Finding the Fourth Proportional to 14,049.18, 21,071.34 and 4,815.18

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Solution

The fourth proportional to 14,049.18, 21,071.34 and 4,815.18 is: 7,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.18 : 21,071.34 = 4,815.18 : x
  2. Step 2: Convert to fraction form
    14,049.18/21,071.34 = 4,815.18/x
  3. Step 3: Cross multiply
    14,049.18x = 21,071.34 × 4,815.18
  4. Step 4: Simplify right side
    14,049.18x = 101,462,294.94
  5. Step 5: Solve for x
    x = 101,462,294.94/14,049.18
  6. Step 6: Final answer
    x = 7,221.94

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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.