Home / 11,225.13-15,491.36-6,190.47

Finding the Fourth Proportional to 11,225.13, 15,491.36 and 6,190.47

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Solution

The fourth proportional to 11,225.13, 15,491.36 and 6,190.47 is: 8,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.13 : 15,491.36 = 6,190.47 : x
  2. Step 2: Convert to fraction form
    11,225.13/15,491.36 = 6,190.47/x
  3. Step 3: Cross multiply
    11,225.13x = 15,491.36 × 6,190.47
  4. Step 4: Simplify right side
    11,225.13x = 95,898,768.39
  5. Step 5: Solve for x
    x = 95,898,768.39/11,225.13
  6. Step 6: Final answer
    x = 8,543.22

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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.