Home / 10,439.49-15,619.99-7,325.57

Finding the Fourth Proportional to 10,439.49, 15,619.99 and 7,325.57

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Solution

The fourth proportional to 10,439.49, 15,619.99 and 7,325.57 is: 10,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.49 : 15,619.99 = 7,325.57 : x
  2. Step 2: Convert to fraction form
    10,439.49/15,619.99 = 7,325.57/x
  3. Step 3: Cross multiply
    10,439.49x = 15,619.99 × 7,325.57
  4. Step 4: Simplify right side
    10,439.49x = 114,425,252.04
  5. Step 5: Solve for x
    x = 114,425,252.04/10,439.49
  6. Step 6: Final answer
    x = 10,960.81

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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.