Home / 9,209.84-13,814.79-2,970.32

Finding the Fourth Proportional to 9,209.84, 13,814.79 and 2,970.32

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Solution

The fourth proportional to 9,209.84, 13,814.79 and 2,970.32 is: 4,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.84 : 13,814.79 = 2,970.32 : x
  2. Step 2: Convert to fraction form
    9,209.84/13,814.79 = 2,970.32/x
  3. Step 3: Cross multiply
    9,209.84x = 13,814.79 × 2,970.32
  4. Step 4: Simplify right side
    9,209.84x = 41,034,277.96
  5. Step 5: Solve for x
    x = 41,034,277.96/9,209.84
  6. Step 6: Final answer
    x = 4,455.48

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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.