Home / 17,640.96-24,345.09-9,683.70

Finding the Fourth Proportional to 17,640.96, 24,345.09 and 9,683.70

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Solution

The fourth proportional to 17,640.96, 24,345.09 and 9,683.70 is: 13,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.96 : 24,345.09 = 9,683.70 : x
  2. Step 2: Convert to fraction form
    17,640.96/24,345.09 = 9,683.70/x
  3. Step 3: Cross multiply
    17,640.96x = 24,345.09 × 9,683.70
  4. Step 4: Simplify right side
    17,640.96x = 235,750,548.03
  5. Step 5: Solve for x
    x = 235,750,548.03/17,640.96
  6. Step 6: Final answer
    x = 13,363.82

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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.