Home / 19,942.34-29,925.14-7,471.12

Finding the Fourth Proportional to 19,942.34, 29,925.14 and 7,471.12

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Solution

The fourth proportional to 19,942.34, 29,925.14 and 7,471.12 is: 11,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.34 : 29,925.14 = 7,471.12 : x
  2. Step 2: Convert to fraction form
    19,942.34/29,925.14 = 7,471.12/x
  3. Step 3: Cross multiply
    19,942.34x = 29,925.14 × 7,471.12
  4. Step 4: Simplify right side
    19,942.34x = 223,574,311.96
  5. Step 5: Solve for x
    x = 223,574,311.96/19,942.34
  6. Step 6: Final answer
    x = 11,211.04

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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.