Home / 10,855.86-16,303.85-6,500.09

Finding the Fourth Proportional to 10,855.86, 16,303.85 and 6,500.09

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Solution

The fourth proportional to 10,855.86, 16,303.85 and 6,500.09 is: 9,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.86 : 16,303.85 = 6,500.09 : x
  2. Step 2: Convert to fraction form
    10,855.86/16,303.85 = 6,500.09/x
  3. Step 3: Cross multiply
    10,855.86x = 16,303.85 × 6,500.09
  4. Step 4: Simplify right side
    10,855.86x = 105,976,492.35
  5. Step 5: Solve for x
    x = 105,976,492.35/10,855.86
  6. Step 6: Final answer
    x = 9,762.15

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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.