Home / 13,235.91-18,265.70-7,267.45

Finding the Fourth Proportional to 13,235.91, 18,265.70 and 7,267.45

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Solution

The fourth proportional to 13,235.91, 18,265.70 and 7,267.45 is: 10,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.91 : 18,265.70 = 7,267.45 : x
  2. Step 2: Convert to fraction form
    13,235.91/18,265.70 = 7,267.45/x
  3. Step 3: Cross multiply
    13,235.91x = 18,265.70 × 7,267.45
  4. Step 4: Simplify right side
    13,235.91x = 132,745,061.47
  5. Step 5: Solve for x
    x = 132,745,061.47/13,235.91
  6. Step 6: Final answer
    x = 10,029.16

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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.