Home / 11,384.46-15,709.98-6,349.22

Finding the Fourth Proportional to 11,384.46, 15,709.98 and 6,349.22

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Solution

The fourth proportional to 11,384.46, 15,709.98 and 6,349.22 is: 8,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.46 : 15,709.98 = 6,349.22 : x
  2. Step 2: Convert to fraction form
    11,384.46/15,709.98 = 6,349.22/x
  3. Step 3: Cross multiply
    11,384.46x = 15,709.98 × 6,349.22
  4. Step 4: Simplify right side
    11,384.46x = 99,746,119.22
  5. Step 5: Solve for x
    x = 99,746,119.22/11,384.46
  6. Step 6: Final answer
    x = 8,761.60

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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.