Home / 11,528.90-15,909.44-7,052.84

Finding the Fourth Proportional to 11,528.90, 15,909.44 and 7,052.84

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Solution

The fourth proportional to 11,528.90, 15,909.44 and 7,052.84 is: 9,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.90 : 15,909.44 = 7,052.84 : x
  2. Step 2: Convert to fraction form
    11,528.90/15,909.44 = 7,052.84/x
  3. Step 3: Cross multiply
    11,528.90x = 15,909.44 × 7,052.84
  4. Step 4: Simplify right side
    11,528.90x = 112,206,734.81
  5. Step 5: Solve for x
    x = 112,206,734.81/11,528.90
  6. Step 6: Final answer
    x = 9,732.65

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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.