Home / 20,307.98-30,461.62-8,468.11

Finding the Fourth Proportional to 20,307.98, 30,461.62 and 8,468.11

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Solution

The fourth proportional to 20,307.98, 30,461.62 and 8,468.11 is: 12,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.98 : 30,461.62 = 8,468.11 : x
  2. Step 2: Convert to fraction form
    20,307.98/30,461.62 = 8,468.11/x
  3. Step 3: Cross multiply
    20,307.98x = 30,461.62 × 8,468.11
  4. Step 4: Simplify right side
    20,307.98x = 257,952,381.72
  5. Step 5: Solve for x
    x = 257,952,381.72/20,307.98
  6. Step 6: Final answer
    x = 12,702.02

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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.