Home / 10,741.28-14,790.36-9,528.80

Finding the Fourth Proportional to 10,741.28, 14,790.36 and 9,528.80

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Solution

The fourth proportional to 10,741.28, 14,790.36 and 9,528.80 is: 13,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.28 : 14,790.36 = 9,528.80 : x
  2. Step 2: Convert to fraction form
    10,741.28/14,790.36 = 9,528.80/x
  3. Step 3: Cross multiply
    10,741.28x = 14,790.36 × 9,528.80
  4. Step 4: Simplify right side
    10,741.28x = 140,934,382.37
  5. Step 5: Solve for x
    x = 140,934,382.37/10,741.28
  6. Step 6: Final answer
    x = 13,120.82

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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.