Home / 21,433.96-32,150.94-8,947.17

Finding the Fourth Proportional to 21,433.96, 32,150.94 and 8,947.17

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Solution

The fourth proportional to 21,433.96, 32,150.94 and 8,947.17 is: 13,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.96 : 32,150.94 = 8,947.17 : x
  2. Step 2: Convert to fraction form
    21,433.96/32,150.94 = 8,947.17/x
  3. Step 3: Cross multiply
    21,433.96x = 32,150.94 × 8,947.17
  4. Step 4: Simplify right side
    21,433.96x = 287,659,925.84
  5. Step 5: Solve for x
    x = 287,659,925.84/21,433.96
  6. Step 6: Final answer
    x = 13,420.76

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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.