Home / 10,809.54-16,219.98-4,237.65

Finding the Fourth Proportional to 10,809.54, 16,219.98 and 4,237.65

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Solution

The fourth proportional to 10,809.54, 16,219.98 and 4,237.65 is: 6,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.54 : 16,219.98 = 4,237.65 : x
  2. Step 2: Convert to fraction form
    10,809.54/16,219.98 = 4,237.65/x
  3. Step 3: Cross multiply
    10,809.54x = 16,219.98 × 4,237.65
  4. Step 4: Simplify right side
    10,809.54x = 68,734,598.25
  5. Step 5: Solve for x
    x = 68,734,598.25/10,809.54
  6. Step 6: Final answer
    x = 6,358.70

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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.