Home / 8,782.98-13,197.18-6,605.70

Finding the Fourth Proportional to 8,782.98, 13,197.18 and 6,605.70

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Solution

The fourth proportional to 8,782.98, 13,197.18 and 6,605.70 is: 9,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.98 : 13,197.18 = 6,605.70 : x
  2. Step 2: Convert to fraction form
    8,782.98/13,197.18 = 6,605.70/x
  3. Step 3: Cross multiply
    8,782.98x = 13,197.18 × 6,605.70
  4. Step 4: Simplify right side
    8,782.98x = 87,176,611.93
  5. Step 5: Solve for x
    x = 87,176,611.93/8,782.98
  6. Step 6: Final answer
    x = 9,925.63

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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.