Home / 19,237.80-28,835.10-9,874.20

Finding the Fourth Proportional to 19,237.80, 28,835.10 and 9,874.20

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Solution

The fourth proportional to 19,237.80, 28,835.10 and 9,874.20 is: 14,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.80 : 28,835.10 = 9,874.20 : x
  2. Step 2: Convert to fraction form
    19,237.80/28,835.10 = 9,874.20/x
  3. Step 3: Cross multiply
    19,237.80x = 28,835.10 × 9,874.20
  4. Step 4: Simplify right side
    19,237.80x = 284,723,544.42
  5. Step 5: Solve for x
    x = 284,723,544.42/19,237.80
  6. Step 6: Final answer
    x = 14,800.21

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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.