Home / 17,856.20-24,640.21-9,788.57

Finding the Fourth Proportional to 17,856.20, 24,640.21 and 9,788.57

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Solution

The fourth proportional to 17,856.20, 24,640.21 and 9,788.57 is: 13,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.20 : 24,640.21 = 9,788.57 : x
  2. Step 2: Convert to fraction form
    17,856.20/24,640.21 = 9,788.57/x
  3. Step 3: Cross multiply
    17,856.20x = 24,640.21 × 9,788.57
  4. Step 4: Simplify right side
    17,856.20x = 241,192,420.40
  5. Step 5: Solve for x
    x = 241,192,420.40/17,856.20
  6. Step 6: Final answer
    x = 13,507.49

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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.