Home / 13,334.09-18,402.59-7,957.85

Finding the Fourth Proportional to 13,334.09, 18,402.59 and 7,957.85

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Solution

The fourth proportional to 13,334.09, 18,402.59 and 7,957.85 is: 10,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.09 : 18,402.59 = 7,957.85 : x
  2. Step 2: Convert to fraction form
    13,334.09/18,402.59 = 7,957.85/x
  3. Step 3: Cross multiply
    13,334.09x = 18,402.59 × 7,957.85
  4. Step 4: Simplify right side
    13,334.09x = 146,444,978.71
  5. Step 5: Solve for x
    x = 146,444,978.71/13,334.09
  6. Step 6: Final answer
    x = 10,982.75

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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.