Home / 13,260.34-18,299.51-7,291.99

Finding the Fourth Proportional to 13,260.34, 18,299.51 and 7,291.99

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Solution

The fourth proportional to 13,260.34, 18,299.51 and 7,291.99 is: 10,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.34 : 18,299.51 = 7,291.99 : x
  2. Step 2: Convert to fraction form
    13,260.34/18,299.51 = 7,291.99/x
  3. Step 3: Cross multiply
    13,260.34x = 18,299.51 × 7,291.99
  4. Step 4: Simplify right side
    13,260.34x = 133,439,843.92
  5. Step 5: Solve for x
    x = 133,439,843.92/13,260.34
  6. Step 6: Final answer
    x = 10,063.08

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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.