Home / 9,400.25-12,972.35-5,208.50

Finding the Fourth Proportional to 9,400.25, 12,972.35 and 5,208.50

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Solution

The fourth proportional to 9,400.25, 12,972.35 and 5,208.50 is: 7,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.25 : 12,972.35 = 5,208.50 : x
  2. Step 2: Convert to fraction form
    9,400.25/12,972.35 = 5,208.50/x
  3. Step 3: Cross multiply
    9,400.25x = 12,972.35 × 5,208.50
  4. Step 4: Simplify right side
    9,400.25x = 67,566,530.43
  5. Step 5: Solve for x
    x = 67,566,530.43/9,400.25
  6. Step 6: Final answer
    x = 7,187.74

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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.