Home / 17,856.25-24,640.81-9,898.30

Finding the Fourth Proportional to 17,856.25, 24,640.81 and 9,898.30

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Solution

The fourth proportional to 17,856.25, 24,640.81 and 9,898.30 is: 13,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.25 : 24,640.81 = 9,898.30 : x
  2. Step 2: Convert to fraction form
    17,856.25/24,640.81 = 9,898.30/x
  3. Step 3: Cross multiply
    17,856.25x = 24,640.81 × 9,898.30
  4. Step 4: Simplify right side
    17,856.25x = 243,902,135.68
  5. Step 5: Solve for x
    x = 243,902,135.68/17,856.25
  6. Step 6: Final answer
    x = 13,659.20

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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.