Home / 8,680.48-13,027.20-6,969.76

Finding the Fourth Proportional to 8,680.48, 13,027.20 and 6,969.76

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Solution

The fourth proportional to 8,680.48, 13,027.20 and 6,969.76 is: 10,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.48 : 13,027.20 = 6,969.76 : x
  2. Step 2: Convert to fraction form
    8,680.48/13,027.20 = 6,969.76/x
  3. Step 3: Cross multiply
    8,680.48x = 13,027.20 × 6,969.76
  4. Step 4: Simplify right side
    8,680.48x = 90,796,457.47
  5. Step 5: Solve for x
    x = 90,796,457.47/8,680.48
  6. Step 6: Final answer
    x = 10,459.84

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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.