Home / 13,491.13-20,224.37-4,721.26

Finding the Fourth Proportional to 13,491.13, 20,224.37 and 4,721.26

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Solution

The fourth proportional to 13,491.13, 20,224.37 and 4,721.26 is: 7,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.13 : 20,224.37 = 4,721.26 : x
  2. Step 2: Convert to fraction form
    13,491.13/20,224.37 = 4,721.26/x
  3. Step 3: Cross multiply
    13,491.13x = 20,224.37 × 4,721.26
  4. Step 4: Simplify right side
    13,491.13x = 95,484,510.78
  5. Step 5: Solve for x
    x = 95,484,510.78/13,491.13
  6. Step 6: Final answer
    x = 7,077.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.