Home / 9,320.12-13,980.16-2,394.62

Finding the Fourth Proportional to 9,320.12, 13,980.16 and 2,394.62

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Solution

The fourth proportional to 9,320.12, 13,980.16 and 2,394.62 is: 3,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.12 : 13,980.16 = 2,394.62 : x
  2. Step 2: Convert to fraction form
    9,320.12/13,980.16 = 2,394.62/x
  3. Step 3: Cross multiply
    9,320.12x = 13,980.16 × 2,394.62
  4. Step 4: Simplify right side
    9,320.12x = 33,477,170.74
  5. Step 5: Solve for x
    x = 33,477,170.74/9,320.12
  6. Step 6: Final answer
    x = 3,591.92

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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.