Home / 10,247.68-15,359.36-4,391.92

Finding the Fourth Proportional to 10,247.68, 15,359.36 and 4,391.92

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Solution

The fourth proportional to 10,247.68, 15,359.36 and 4,391.92 is: 6,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.68 : 15,359.36 = 4,391.92 : x
  2. Step 2: Convert to fraction form
    10,247.68/15,359.36 = 4,391.92/x
  3. Step 3: Cross multiply
    10,247.68x = 15,359.36 × 4,391.92
  4. Step 4: Simplify right side
    10,247.68x = 67,457,080.37
  5. Step 5: Solve for x
    x = 67,457,080.37/10,247.68
  6. Step 6: Final answer
    x = 6,582.67

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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.