Home / 10,320.81-15,486.68-4,481.52

Finding the Fourth Proportional to 10,320.81, 15,486.68 and 4,481.52

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Solution

The fourth proportional to 10,320.81, 15,486.68 and 4,481.52 is: 6,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.81 : 15,486.68 = 4,481.52 : x
  2. Step 2: Convert to fraction form
    10,320.81/15,486.68 = 4,481.52/x
  3. Step 3: Cross multiply
    10,320.81x = 15,486.68 × 4,481.52
  4. Step 4: Simplify right side
    10,320.81x = 69,403,866.15
  5. Step 5: Solve for x
    x = 69,403,866.15/10,320.81
  6. Step 6: Final answer
    x = 6,724.65

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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.