Home / 10,320.55-14,242.13-5,604.73

Finding the Fourth Proportional to 10,320.55, 14,242.13 and 5,604.73

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Solution

The fourth proportional to 10,320.55, 14,242.13 and 5,604.73 is: 7,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.55 : 14,242.13 = 5,604.73 : x
  2. Step 2: Convert to fraction form
    10,320.55/14,242.13 = 5,604.73/x
  3. Step 3: Cross multiply
    10,320.55x = 14,242.13 × 5,604.73
  4. Step 4: Simplify right side
    10,320.55x = 79,823,265.25
  5. Step 5: Solve for x
    x = 79,823,265.25/10,320.55
  6. Step 6: Final answer
    x = 7,734.40

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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.