Home / 10,320.45-14,242.23-5,604.75

Finding the Fourth Proportional to 10,320.45, 14,242.23 and 5,604.75

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Solution

The fourth proportional to 10,320.45, 14,242.23 and 5,604.75 is: 7,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.45 : 14,242.23 = 5,604.75 : x
  2. Step 2: Convert to fraction form
    10,320.45/14,242.23 = 5,604.75/x
  3. Step 3: Cross multiply
    10,320.45x = 14,242.23 × 5,604.75
  4. Step 4: Simplify right side
    10,320.45x = 79,824,138.59
  5. Step 5: Solve for x
    x = 79,824,138.59/10,320.45
  6. Step 6: Final answer
    x = 7,734.56

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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.