Home / 15,579.18-21,476.94-9,606.84

Finding the Fourth Proportional to 15,579.18, 21,476.94 and 9,606.84

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Solution

The fourth proportional to 15,579.18, 21,476.94 and 9,606.84 is: 13,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.18 : 21,476.94 = 9,606.84 : x
  2. Step 2: Convert to fraction form
    15,579.18/21,476.94 = 9,606.84/x
  3. Step 3: Cross multiply
    15,579.18x = 21,476.94 × 9,606.84
  4. Step 4: Simplify right side
    15,579.18x = 206,325,526.27
  5. Step 5: Solve for x
    x = 206,325,526.27/15,579.18
  6. Step 6: Final answer
    x = 13,243.67

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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.