Home / 10,941.40-16,412.10-9,904.60

Finding the Fourth Proportional to 10,941.40, 16,412.10 and 9,904.60

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Solution

The fourth proportional to 10,941.40, 16,412.10 and 9,904.60 is: 14,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.40 : 16,412.10 = 9,904.60 : x
  2. Step 2: Convert to fraction form
    10,941.40/16,412.10 = 9,904.60/x
  3. Step 3: Cross multiply
    10,941.40x = 16,412.10 × 9,904.60
  4. Step 4: Simplify right side
    10,941.40x = 162,555,285.66
  5. Step 5: Solve for x
    x = 162,555,285.66/10,941.40
  6. Step 6: Final answer
    x = 14,856.90

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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.