Home / 19,710.96-29,545.28-9,830.72

Finding the Fourth Proportional to 19,710.96, 29,545.28 and 9,830.72

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Solution

The fourth proportional to 19,710.96, 29,545.28 and 9,830.72 is: 14,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.96 : 29,545.28 = 9,830.72 : x
  2. Step 2: Convert to fraction form
    19,710.96/29,545.28 = 9,830.72/x
  3. Step 3: Cross multiply
    19,710.96x = 29,545.28 × 9,830.72
  4. Step 4: Simplify right side
    19,710.96x = 290,451,375.00
  5. Step 5: Solve for x
    x = 290,451,375.00/19,710.96
  6. Step 6: Final answer
    x = 14,735.53

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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.