Home / 11,225.30-15,491.61-6,189.51

Finding the Fourth Proportional to 11,225.30, 15,491.61 and 6,189.51

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Solution

The fourth proportional to 11,225.30, 15,491.61 and 6,189.51 is: 8,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.30 : 15,491.61 = 6,189.51 : x
  2. Step 2: Convert to fraction form
    11,225.30/15,491.61 = 6,189.51/x
  3. Step 3: Cross multiply
    11,225.30x = 15,491.61 × 6,189.51
  4. Step 4: Simplify right side
    11,225.30x = 95,885,393.71
  5. Step 5: Solve for x
    x = 95,885,393.71/11,225.30
  6. Step 6: Final answer
    x = 8,541.90

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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.