Home / 10,199.20-15,303.36-4,357.12

Finding the Fourth Proportional to 10,199.20, 15,303.36 and 4,357.12

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Solution

The fourth proportional to 10,199.20, 15,303.36 and 4,357.12 is: 6,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.20 : 15,303.36 = 4,357.12 : x
  2. Step 2: Convert to fraction form
    10,199.20/15,303.36 = 4,357.12/x
  3. Step 3: Cross multiply
    10,199.20x = 15,303.36 × 4,357.12
  4. Step 4: Simplify right side
    10,199.20x = 66,678,575.92
  5. Step 5: Solve for x
    x = 66,678,575.92/10,199.20
  6. Step 6: Final answer
    x = 6,537.63

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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.