Home / 13,943.92-19,235.48-8,902.84

Finding the Fourth Proportional to 13,943.92, 19,235.48 and 8,902.84

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Solution

The fourth proportional to 13,943.92, 19,235.48 and 8,902.84 is: 12,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.92 : 19,235.48 = 8,902.84 : x
  2. Step 2: Convert to fraction form
    13,943.92/19,235.48 = 8,902.84/x
  3. Step 3: Cross multiply
    13,943.92x = 19,235.48 × 8,902.84
  4. Step 4: Simplify right side
    13,943.92x = 171,250,400.76
  5. Step 5: Solve for x
    x = 171,250,400.76/13,943.92
  6. Step 6: Final answer
    x = 12,281.37

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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.