Home / 19,838.63-29,765.69-8,737.52

Finding the Fourth Proportional to 19,838.63, 29,765.69 and 8,737.52

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Solution

The fourth proportional to 19,838.63, 29,765.69 and 8,737.52 is: 13,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.63 : 29,765.69 = 8,737.52 : x
  2. Step 2: Convert to fraction form
    19,838.63/29,765.69 = 8,737.52/x
  3. Step 3: Cross multiply
    19,838.63x = 29,765.69 × 8,737.52
  4. Step 4: Simplify right side
    19,838.63x = 260,078,311.69
  5. Step 5: Solve for x
    x = 260,078,311.69/19,838.63
  6. Step 6: Final answer
    x = 13,109.69

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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.