Home / 10,491.04-14,477.34-6,247

Finding the Fourth Proportional to 10,491.04, 14,477.34 and 6,247

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Solution

The fourth proportional to 10,491.04, 14,477.34 and 6,247 is: 8,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.04 : 14,477.34 = 6,247 : x
  2. Step 2: Convert to fraction form
    10,491.04/14,477.34 = 6,247/x
  3. Step 3: Cross multiply
    10,491.04x = 14,477.34 × 6,247
  4. Step 4: Simplify right side
    10,491.04x = 90,439,942.98
  5. Step 5: Solve for x
    x = 90,439,942.98/10,491.04
  6. Step 6: Final answer
    x = 8,620.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.