Home / 12,296.77-18,440.63-4,397.15

Finding the Fourth Proportional to 12,296.77, 18,440.63 and 4,397.15

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Solution

The fourth proportional to 12,296.77, 18,440.63 and 4,397.15 is: 6,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.77 : 18,440.63 = 4,397.15 : x
  2. Step 2: Convert to fraction form
    12,296.77/18,440.63 = 4,397.15/x
  3. Step 3: Cross multiply
    12,296.77x = 18,440.63 × 4,397.15
  4. Step 4: Simplify right side
    12,296.77x = 81,086,240.32
  5. Step 5: Solve for x
    x = 81,086,240.32/12,296.77
  6. Step 6: Final answer
    x = 6,594.11

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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.