Home / 10,320.82-15,483.84-2,925.35

Finding the Fourth Proportional to 10,320.82, 15,483.84 and 2,925.35

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Solution

The fourth proportional to 10,320.82, 15,483.84 and 2,925.35 is: 4,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.82 : 15,483.84 = 2,925.35 : x
  2. Step 2: Convert to fraction form
    10,320.82/15,483.84 = 2,925.35/x
  3. Step 3: Cross multiply
    10,320.82x = 15,483.84 × 2,925.35
  4. Step 4: Simplify right side
    10,320.82x = 45,295,651.34
  5. Step 5: Solve for x
    x = 45,295,651.34/10,320.82
  6. Step 6: Final answer
    x = 4,388.76

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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.