Home / 15,375.34-23,039.52-9,123.04

Finding the Fourth Proportional to 15,375.34, 23,039.52 and 9,123.04

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Solution

The fourth proportional to 15,375.34, 23,039.52 and 9,123.04 is: 13,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.34 : 23,039.52 = 9,123.04 : x
  2. Step 2: Convert to fraction form
    15,375.34/23,039.52 = 9,123.04/x
  3. Step 3: Cross multiply
    15,375.34x = 23,039.52 × 9,123.04
  4. Step 4: Simplify right side
    15,375.34x = 210,190,462.54
  5. Step 5: Solve for x
    x = 210,190,462.54/15,375.34
  6. Step 6: Final answer
    x = 13,670.62

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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.