Home / 10,065.96-15,108.84-6,605.64

Finding the Fourth Proportional to 10,065.96, 15,108.84 and 6,605.64

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Solution

The fourth proportional to 10,065.96, 15,108.84 and 6,605.64 is: 9,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.96 : 15,108.84 = 6,605.64 : x
  2. Step 2: Convert to fraction form
    10,065.96/15,108.84 = 6,605.64/x
  3. Step 3: Cross multiply
    10,065.96x = 15,108.84 × 6,605.64
  4. Step 4: Simplify right side
    10,065.96x = 99,803,557.86
  5. Step 5: Solve for x
    x = 99,803,557.86/10,065.96
  6. Step 6: Final answer
    x = 9,914.96

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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.