Home / 10,173.57-15,250.73-7,670.87

Finding the Fourth Proportional to 10,173.57, 15,250.73 and 7,670.87

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Solution

The fourth proportional to 10,173.57, 15,250.73 and 7,670.87 is: 11,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.57 : 15,250.73 = 7,670.87 : x
  2. Step 2: Convert to fraction form
    10,173.57/15,250.73 = 7,670.87/x
  3. Step 3: Cross multiply
    10,173.57x = 15,250.73 × 7,670.87
  4. Step 4: Simplify right side
    10,173.57x = 116,986,252.63
  5. Step 5: Solve for x
    x = 116,986,252.63/10,173.57
  6. Step 6: Final answer
    x = 11,499.04

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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.