Home / 10,205.12-15,293.28-4,359.68

Finding the Fourth Proportional to 10,205.12, 15,293.28 and 4,359.68

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Solution

The fourth proportional to 10,205.12, 15,293.28 and 4,359.68 is: 6,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.12 : 15,293.28 = 4,359.68 : x
  2. Step 2: Convert to fraction form
    10,205.12/15,293.28 = 4,359.68/x
  3. Step 3: Cross multiply
    10,205.12x = 15,293.28 × 4,359.68
  4. Step 4: Simplify right side
    10,205.12x = 66,673,806.95
  5. Step 5: Solve for x
    x = 66,673,806.95/10,205.12
  6. Step 6: Final answer
    x = 6,533.37

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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.