Home / 10,905.60-16,358.40-6,746.64

Finding the Fourth Proportional to 10,905.60, 16,358.40 and 6,746.64

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Solution

The fourth proportional to 10,905.60, 16,358.40 and 6,746.64 is: 10,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.60 : 16,358.40 = 6,746.64 : x
  2. Step 2: Convert to fraction form
    10,905.60/16,358.40 = 6,746.64/x
  3. Step 3: Cross multiply
    10,905.60x = 16,358.40 × 6,746.64
  4. Step 4: Simplify right side
    10,905.60x = 110,364,235.78
  5. Step 5: Solve for x
    x = 110,364,235.78/10,905.60
  6. Step 6: Final answer
    x = 10,119.96

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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.