Home / 10,857.24-14,985.32-6,609.67

Finding the Fourth Proportional to 10,857.24, 14,985.32 and 6,609.67

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Solution

The fourth proportional to 10,857.24, 14,985.32 and 6,609.67 is: 9,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.24 : 14,985.32 = 6,609.67 : x
  2. Step 2: Convert to fraction form
    10,857.24/14,985.32 = 6,609.67/x
  3. Step 3: Cross multiply
    10,857.24x = 14,985.32 × 6,609.67
  4. Step 4: Simplify right side
    10,857.24x = 99,047,949.53
  5. Step 5: Solve for x
    x = 99,047,949.53/10,857.24
  6. Step 6: Final answer
    x = 9,122.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.