Home / 13,237.09-18,267.21-7,269.13

Finding the Fourth Proportional to 13,237.09, 18,267.21 and 7,269.13

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Solution

The fourth proportional to 13,237.09, 18,267.21 and 7,269.13 is: 10,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.09 : 18,267.21 = 7,269.13 : x
  2. Step 2: Convert to fraction form
    13,237.09/18,267.21 = 7,269.13/x
  3. Step 3: Cross multiply
    13,237.09x = 18,267.21 × 7,269.13
  4. Step 4: Simplify right side
    13,237.09x = 132,786,724.23
  5. Step 5: Solve for x
    x = 132,786,724.23/13,237.09
  6. Step 6: Final answer
    x = 10,031.41

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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.