Home / 10,808.16-16,222.35-6,656.27

Finding the Fourth Proportional to 10,808.16, 16,222.35 and 6,656.27

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Solution

The fourth proportional to 10,808.16, 16,222.35 and 6,656.27 is: 9,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.16 : 16,222.35 = 6,656.27 : x
  2. Step 2: Convert to fraction form
    10,808.16/16,222.35 = 6,656.27/x
  3. Step 3: Cross multiply
    10,808.16x = 16,222.35 × 6,656.27
  4. Step 4: Simplify right side
    10,808.16x = 107,980,341.63
  5. Step 5: Solve for x
    x = 107,980,341.63/10,808.16
  6. Step 6: Final answer
    x = 9,990.63

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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.