Home / 10,429.08-15,604.38-7,315.17

Finding the Fourth Proportional to 10,429.08, 15,604.38 and 7,315.17

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Solution

The fourth proportional to 10,429.08, 15,604.38 and 7,315.17 is: 10,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.08 : 15,604.38 = 7,315.17 : x
  2. Step 2: Convert to fraction form
    10,429.08/15,604.38 = 7,315.17/x
  3. Step 3: Cross multiply
    10,429.08x = 15,604.38 × 7,315.17
  4. Step 4: Simplify right side
    10,429.08x = 114,148,692.44
  5. Step 5: Solve for x
    x = 114,148,692.44/10,429.08
  6. Step 6: Final answer
    x = 10,945.23

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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.