Home / 13,509.59-20,270.22-7,262.29

Finding the Fourth Proportional to 13,509.59, 20,270.22 and 7,262.29

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Solution

The fourth proportional to 13,509.59, 20,270.22 and 7,262.29 is: 10,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.59 : 20,270.22 = 7,262.29 : x
  2. Step 2: Convert to fraction form
    13,509.59/20,270.22 = 7,262.29/x
  3. Step 3: Cross multiply
    13,509.59x = 20,270.22 × 7,262.29
  4. Step 4: Simplify right side
    13,509.59x = 147,208,214.11
  5. Step 5: Solve for x
    x = 147,208,214.11/13,509.59
  6. Step 6: Final answer
    x = 10,896.58

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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.