Home / 18,948.34-28,426.62-7,261.57

Finding the Fourth Proportional to 18,948.34, 28,426.62 and 7,261.57

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Solution

The fourth proportional to 18,948.34, 28,426.62 and 7,261.57 is: 10,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.34 : 28,426.62 = 7,261.57 : x
  2. Step 2: Convert to fraction form
    18,948.34/28,426.62 = 7,261.57/x
  3. Step 3: Cross multiply
    18,948.34x = 28,426.62 × 7,261.57
  4. Step 4: Simplify right side
    18,948.34x = 206,421,890.99
  5. Step 5: Solve for x
    x = 206,421,890.99/18,948.34
  6. Step 6: Final answer
    x = 10,893.93

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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.