Home / 11,000.90-16,486.95-4,421.70

Finding the Fourth Proportional to 11,000.90, 16,486.95 and 4,421.70

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Solution

The fourth proportional to 11,000.90, 16,486.95 and 4,421.70 is: 6,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.90 : 16,486.95 = 4,421.70 : x
  2. Step 2: Convert to fraction form
    11,000.90/16,486.95 = 4,421.70/x
  3. Step 3: Cross multiply
    11,000.90x = 16,486.95 × 4,421.70
  4. Step 4: Simplify right side
    11,000.90x = 72,900,346.82
  5. Step 5: Solve for x
    x = 72,900,346.82/11,000.90
  6. Step 6: Final answer
    x = 6,626.76

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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.