Home / 15,536.60-21,435.39-9,074.75

Finding the Fourth Proportional to 15,536.60, 21,435.39 and 9,074.75

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Solution

The fourth proportional to 15,536.60, 21,435.39 and 9,074.75 is: 12,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.60 : 21,435.39 = 9,074.75 : x
  2. Step 2: Convert to fraction form
    15,536.60/21,435.39 = 9,074.75/x
  3. Step 3: Cross multiply
    15,536.60x = 21,435.39 × 9,074.75
  4. Step 4: Simplify right side
    15,536.60x = 194,520,805.40
  5. Step 5: Solve for x
    x = 194,520,805.40/15,536.60
  6. Step 6: Final answer
    x = 12,520.17

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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.