Home / 8,518.97-12,762.06-6,960.74

Finding the Fourth Proportional to 8,518.97, 12,762.06 and 6,960.74

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Solution

The fourth proportional to 8,518.97, 12,762.06 and 6,960.74 is: 10,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.97 : 12,762.06 = 6,960.74 : x
  2. Step 2: Convert to fraction form
    8,518.97/12,762.06 = 6,960.74/x
  3. Step 3: Cross multiply
    8,518.97x = 12,762.06 × 6,960.74
  4. Step 4: Simplify right side
    8,518.97x = 88,833,291.61
  5. Step 5: Solve for x
    x = 88,833,291.61/8,518.97
  6. Step 6: Final answer
    x = 10,427.70

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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.