Home / 19,689.96-29,529.90-5,835.72

Finding the Fourth Proportional to 19,689.96, 29,529.90 and 5,835.72

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Solution

The fourth proportional to 19,689.96, 29,529.90 and 5,835.72 is: 8,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.96 : 29,529.90 = 5,835.72 : x
  2. Step 2: Convert to fraction form
    19,689.96/29,529.90 = 5,835.72/x
  3. Step 3: Cross multiply
    19,689.96x = 29,529.90 × 5,835.72
  4. Step 4: Simplify right side
    19,689.96x = 172,328,228.03
  5. Step 5: Solve for x
    x = 172,328,228.03/19,689.96
  6. Step 6: Final answer
    x = 8,752.09

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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.