Home / 15,764.28-23,638.58-9,192.12

Finding the Fourth Proportional to 15,764.28, 23,638.58 and 9,192.12

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Solution

The fourth proportional to 15,764.28, 23,638.58 and 9,192.12 is: 13,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.28 : 23,638.58 = 9,192.12 : x
  2. Step 2: Convert to fraction form
    15,764.28/23,638.58 = 9,192.12/x
  3. Step 3: Cross multiply
    15,764.28x = 23,638.58 × 9,192.12
  4. Step 4: Simplify right side
    15,764.28x = 217,288,663.99
  5. Step 5: Solve for x
    x = 217,288,663.99/15,764.28
  6. Step 6: Final answer
    x = 13,783.61

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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.