Home / 11,225.28-15,491.00-6,189.68

Finding the Fourth Proportional to 11,225.28, 15,491.00 and 6,189.68

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Solution

The fourth proportional to 11,225.28, 15,491.00 and 6,189.68 is: 8,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.28 : 15,491.00 = 6,189.68 : x
  2. Step 2: Convert to fraction form
    11,225.28/15,491.00 = 6,189.68/x
  3. Step 3: Cross multiply
    11,225.28x = 15,491.00 × 6,189.68
  4. Step 4: Simplify right side
    11,225.28x = 95,884,384.94
  5. Step 5: Solve for x
    x = 95,884,384.94/11,225.28
  6. Step 6: Final answer
    x = 8,541.82

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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.