Home / 19,513.96-29,242.91-9,641.70

Finding the Fourth Proportional to 19,513.96, 29,242.91 and 9,641.70

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Solution

The fourth proportional to 19,513.96, 29,242.91 and 9,641.70 is: 14,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.96 : 29,242.91 = 9,641.70 : x
  2. Step 2: Convert to fraction form
    19,513.96/29,242.91 = 9,641.70/x
  3. Step 3: Cross multiply
    19,513.96x = 29,242.91 × 9,641.70
  4. Step 4: Simplify right side
    19,513.96x = 281,951,317.14
  5. Step 5: Solve for x
    x = 281,951,317.14/19,513.96
  6. Step 6: Final answer
    x = 14,448.70

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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.