Home / 10,705.20-16,057.80-6,258.30

Finding the Fourth Proportional to 10,705.20, 16,057.80 and 6,258.30

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Solution

The fourth proportional to 10,705.20, 16,057.80 and 6,258.30 is: 9,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.20 : 16,057.80 = 6,258.30 : x
  2. Step 2: Convert to fraction form
    10,705.20/16,057.80 = 6,258.30/x
  3. Step 3: Cross multiply
    10,705.20x = 16,057.80 × 6,258.30
  4. Step 4: Simplify right side
    10,705.20x = 100,494,529.74
  5. Step 5: Solve for x
    x = 100,494,529.74/10,705.20
  6. Step 6: Final answer
    x = 9,387.45

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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.