Home / 9,403.24-12,976.98-5,211.88

Finding the Fourth Proportional to 9,403.24, 12,976.98 and 5,211.88

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Solution

The fourth proportional to 9,403.24, 12,976.98 and 5,211.88 is: 7,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.24 : 12,976.98 = 5,211.88 : x
  2. Step 2: Convert to fraction form
    9,403.24/12,976.98 = 5,211.88/x
  3. Step 3: Cross multiply
    9,403.24x = 12,976.98 × 5,211.88
  4. Step 4: Simplify right side
    9,403.24x = 67,634,462.52
  5. Step 5: Solve for x
    x = 67,634,462.52/9,403.24
  6. Step 6: Final answer
    x = 7,192.68

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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.