Home / 11,298.20-15,591.51-6,330.20

Finding the Fourth Proportional to 11,298.20, 15,591.51 and 6,330.20

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Solution

The fourth proportional to 11,298.20, 15,591.51 and 6,330.20 is: 8,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.20 : 15,591.51 = 6,330.20 : x
  2. Step 2: Convert to fraction form
    11,298.20/15,591.51 = 6,330.20/x
  3. Step 3: Cross multiply
    11,298.20x = 15,591.51 × 6,330.20
  4. Step 4: Simplify right side
    11,298.20x = 98,697,298.64
  5. Step 5: Solve for x
    x = 98,697,298.64/11,298.20
  6. Step 6: Final answer
    x = 8,735.67

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Double scale
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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.