Home / 10,304.05-15,449.70-7,007.15

Finding the Fourth Proportional to 10,304.05, 15,449.70 and 7,007.15

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Solution

The fourth proportional to 10,304.05, 15,449.70 and 7,007.15 is: 10,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.05 : 15,449.70 = 7,007.15 : x
  2. Step 2: Convert to fraction form
    10,304.05/15,449.70 = 7,007.15/x
  3. Step 3: Cross multiply
    10,304.05x = 15,449.70 × 7,007.15
  4. Step 4: Simplify right side
    10,304.05x = 108,258,365.36
  5. Step 5: Solve for x
    x = 108,258,365.36/10,304.05
  6. Step 6: Final answer
    x = 10,506.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.