Home / 10,856.64-14,982.84-6,610.80

Finding the Fourth Proportional to 10,856.64, 14,982.84 and 6,610.80

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Solution

The fourth proportional to 10,856.64, 14,982.84 and 6,610.80 is: 9,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.64 : 14,982.84 = 6,610.80 : x
  2. Step 2: Convert to fraction form
    10,856.64/14,982.84 = 6,610.80/x
  3. Step 3: Cross multiply
    10,856.64x = 14,982.84 × 6,610.80
  4. Step 4: Simplify right side
    10,856.64x = 99,048,558.67
  5. Step 5: Solve for x
    x = 99,048,558.67/10,856.64
  6. Step 6: Final answer
    x = 9,123.32

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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.