Home / 13,235.56-18,264.75-7,267.87

Finding the Fourth Proportional to 13,235.56, 18,264.75 and 7,267.87

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Solution

The fourth proportional to 13,235.56, 18,264.75 and 7,267.87 is: 10,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.56 : 18,264.75 = 7,267.87 : x
  2. Step 2: Convert to fraction form
    13,235.56/18,264.75 = 7,267.87/x
  3. Step 3: Cross multiply
    13,235.56x = 18,264.75 × 7,267.87
  4. Step 4: Simplify right side
    13,235.56x = 132,745,828.58
  5. Step 5: Solve for x
    x = 132,745,828.58/13,235.56
  6. Step 6: Final answer
    x = 10,029.48

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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.