Home / 10,480.61-14,453.30-6,697.20

Finding the Fourth Proportional to 10,480.61, 14,453.30 and 6,697.20

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Solution

The fourth proportional to 10,480.61, 14,453.30 and 6,697.20 is: 9,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.61 : 14,453.30 = 6,697.20 : x
  2. Step 2: Convert to fraction form
    10,480.61/14,453.30 = 6,697.20/x
  3. Step 3: Cross multiply
    10,480.61x = 14,453.30 × 6,697.20
  4. Step 4: Simplify right side
    10,480.61x = 96,796,630.40
  5. Step 5: Solve for x
    x = 96,796,630.40/10,480.61
  6. Step 6: Final answer
    x = 9,235.78

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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.