Home / 16,670.24-25,011.56-7,790.60

Finding the Fourth Proportional to 16,670.24, 25,011.56 and 7,790.60

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Solution

The fourth proportional to 16,670.24, 25,011.56 and 7,790.60 is: 11,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.24 : 25,011.56 = 7,790.60 : x
  2. Step 2: Convert to fraction form
    16,670.24/25,011.56 = 7,790.60/x
  3. Step 3: Cross multiply
    16,670.24x = 25,011.56 × 7,790.60
  4. Step 4: Simplify right side
    16,670.24x = 194,855,059.34
  5. Step 5: Solve for x
    x = 194,855,059.34/16,670.24
  6. Step 6: Final answer
    x = 11,688.80

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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.