Home / 10,299.45-15,449.23-4,374.81

Finding the Fourth Proportional to 10,299.45, 15,449.23 and 4,374.81

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Solution

The fourth proportional to 10,299.45, 15,449.23 and 4,374.81 is: 6,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.45 : 15,449.23 = 4,374.81 : x
  2. Step 2: Convert to fraction form
    10,299.45/15,449.23 = 4,374.81/x
  3. Step 3: Cross multiply
    10,299.45x = 15,449.23 × 4,374.81
  4. Step 4: Simplify right side
    10,299.45x = 67,587,451.36
  5. Step 5: Solve for x
    x = 67,587,451.36/10,299.45
  6. Step 6: Final answer
    x = 6,562.24

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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.