Home / 13,007.04-17,949.60-7,418.08

Finding the Fourth Proportional to 13,007.04, 17,949.60 and 7,418.08

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Solution

The fourth proportional to 13,007.04, 17,949.60 and 7,418.08 is: 10,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.04 : 17,949.60 = 7,418.08 : x
  2. Step 2: Convert to fraction form
    13,007.04/17,949.60 = 7,418.08/x
  3. Step 3: Cross multiply
    13,007.04x = 17,949.60 × 7,418.08
  4. Step 4: Simplify right side
    13,007.04x = 133,151,568.77
  5. Step 5: Solve for x
    x = 133,151,568.77/13,007.04
  6. Step 6: Final answer
    x = 10,236.88

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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.