Home / 14,405.79-21,608.69-4,545.84

Finding the Fourth Proportional to 14,405.79, 21,608.69 and 4,545.84

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Solution

The fourth proportional to 14,405.79, 21,608.69 and 4,545.84 is: 6,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.79 : 21,608.69 = 4,545.84 : x
  2. Step 2: Convert to fraction form
    14,405.79/21,608.69 = 4,545.84/x
  3. Step 3: Cross multiply
    14,405.79x = 21,608.69 × 4,545.84
  4. Step 4: Simplify right side
    14,405.79x = 98,229,647.35
  5. Step 5: Solve for x
    x = 98,229,647.35/14,405.79
  6. Step 6: Final answer
    x = 6,818.76

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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.