Home / 11,079.30-15,288.57-6,362.67

Finding the Fourth Proportional to 11,079.30, 15,288.57 and 6,362.67

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Solution

The fourth proportional to 11,079.30, 15,288.57 and 6,362.67 is: 8,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.30 : 15,288.57 = 6,362.67 : x
  2. Step 2: Convert to fraction form
    11,079.30/15,288.57 = 6,362.67/x
  3. Step 3: Cross multiply
    11,079.30x = 15,288.57 × 6,362.67
  4. Step 4: Simplify right side
    11,079.30x = 97,276,125.68
  5. Step 5: Solve for x
    x = 97,276,125.68/11,079.30
  6. Step 6: Final answer
    x = 8,779.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.