Home / 13,359.82-18,437.07-7,310.47

Finding the Fourth Proportional to 13,359.82, 18,437.07 and 7,310.47

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Solution

The fourth proportional to 13,359.82, 18,437.07 and 7,310.47 is: 10,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.82 : 18,437.07 = 7,310.47 : x
  2. Step 2: Convert to fraction form
    13,359.82/18,437.07 = 7,310.47/x
  3. Step 3: Cross multiply
    13,359.82x = 18,437.07 × 7,310.47
  4. Step 4: Simplify right side
    13,359.82x = 134,783,647.12
  5. Step 5: Solve for x
    x = 134,783,647.12/13,359.82
  6. Step 6: Final answer
    x = 10,088.73

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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.