Home / 13,942.42-19,237.23-7,892.74

Finding the Fourth Proportional to 13,942.42, 19,237.23 and 7,892.74

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Solution

The fourth proportional to 13,942.42, 19,237.23 and 7,892.74 is: 10,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.42 : 19,237.23 = 7,892.74 : x
  2. Step 2: Convert to fraction form
    13,942.42/19,237.23 = 7,892.74/x
  3. Step 3: Cross multiply
    13,942.42x = 19,237.23 × 7,892.74
  4. Step 4: Simplify right side
    13,942.42x = 151,834,454.71
  5. Step 5: Solve for x
    x = 151,834,454.71/13,942.42
  6. Step 6: Final answer
    x = 10,890.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.