Home / 13,237.34-18,267.75-7,268.94

Finding the Fourth Proportional to 13,237.34, 18,267.75 and 7,268.94

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Solution

The fourth proportional to 13,237.34, 18,267.75 and 7,268.94 is: 10,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.34 : 18,267.75 = 7,268.94 : x
  2. Step 2: Convert to fraction form
    13,237.34/18,267.75 = 7,268.94/x
  3. Step 3: Cross multiply
    13,237.34x = 18,267.75 × 7,268.94
  4. Step 4: Simplify right side
    13,237.34x = 132,787,178.69
  5. Step 5: Solve for x
    x = 132,787,178.69/13,237.34
  6. Step 6: Final answer
    x = 10,031.26

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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.