Home / 10,705.77-16,056.63-2,912.76

Finding the Fourth Proportional to 10,705.77, 16,056.63 and 2,912.76

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Solution

The fourth proportional to 10,705.77, 16,056.63 and 2,912.76 is: 4,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.77 : 16,056.63 = 2,912.76 : x
  2. Step 2: Convert to fraction form
    10,705.77/16,056.63 = 2,912.76/x
  3. Step 3: Cross multiply
    10,705.77x = 16,056.63 × 2,912.76
  4. Step 4: Simplify right side
    10,705.77x = 46,769,109.60
  5. Step 5: Solve for x
    x = 46,769,109.60/10,705.77
  6. Step 6: Final answer
    x = 4,368.59

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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.